42912902 has 8 divisors (see below), whose sum is σ = 64418016. Its totient is φ = 21440232.

The previous prime is 42912901. The next prime is 42912907. The reversal of 42912902 is 20921924.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42912901) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4478 + ... + 10289.

It is an arithmetic number, because the mean of its divisors is an integer number (8052252).

Almost surely, 2^42912902 is an apocalyptic number.

42912902 is a deficient number, since it is larger than the sum of its proper divisors (21505114).

42912902 is a wasteful number, since it uses less digits than its factorization.

42912902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16222.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 42912902 is about 6550.7939976769. The cubic root of 42912902 is about 350.1031043180.

It can be divided in two parts, 429 and 12902, that added together give a palindrome (13331).

The spelling of 42912902 in words is "forty-two million, nine hundred twelve thousand, nine hundred two".