42941976 has 128 divisors (see below), whose sum is σ = 141004800. Its totient is φ = 10558080.

The previous prime is 42941971. The next prime is 42941981. The reversal of 42941976 is 67914924.

42941976 = 473² + 474² + ... + 616².

42941976 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (42941971) and next prime (42941981).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42941971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34501 + ... + 35723.

It is an arithmetic number, because the mean of its divisors is an integer number (1101600).

Almost surely, 2^42941976 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42941976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70502400).

42941976 is an abundant number, since it is smaller than the sum of its proper divisors (98062824).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42941976 is a wasteful number, since it uses less digits than its factorization.

42941976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1269 (or 1265 counting only the distinct ones).

The product of its digits is 108864, while the sum is 42.

The square root of 42941976 is about 6553.0127422431. The cubic root of 42941976 is about 350.1821528036.

The spelling of 42941976 in words is "forty-two million, nine hundred forty-one thousand, nine hundred seventy-six".