42961737 has 32 divisors (see below), whose sum is σ = 74656512. Its totient is φ = 21325824.

The previous prime is 42961661. The next prime is 42961739. The reversal of 42961737 is 73716924.

42961737 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42961737 - 2¹¹ = 42959689 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a junction number, because it is equal to n+sod(n) for n = 42961695 and 42961704.

It is not an unprimeable number, because it can be changed into a prime (42961739) 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, 13 + ... + 9269.

It is an arithmetic number, because the mean of its divisors is an integer number (2333016).

Almost surely, 2^42961737 is an apocalyptic number.

It is an amenable number.

42961737 is a deficient number, since it is larger than the sum of its proper divisors (31694775).

42961737 is a wasteful number, since it uses less digits than its factorization.

42961737 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9297.

The product of its digits is 63504, while the sum is 39.

The square root of 42961737 is about 6554.5203485839. The cubic root of 42961737 is about 350.2358600691.

The spelling of 42961737 in words is "forty-two million, nine hundred sixty-one thousand, seven hundred thirty-seven".