42612788 has 6 divisors (see below), whose sum is σ = 74572386. Its totient is φ = 21306392.

The previous prime is 42612769. The next prime is 42612793. The reversal of 42612788 is 88721624.

It can be written as a sum of positive squares in only one way, i.e., 26915344 + 15697444 = 5188^2 + 3962^2 .

It is a super-2 number, since 2×42612788² = 3631699402265888, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5326595 + ... + 5326602.

It is an arithmetic number, because the mean of its divisors is an integer number (12428731).

Almost surely, 2^42612788 is an apocalyptic number.

It is an amenable number.

42612788 is a deficient number, since it is larger than the sum of its proper divisors (31959598).

42612788 is a wasteful number, since it uses less digits than its factorization.

42612788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10653201 (or 10653199 counting only the distinct ones).

The product of its digits is 43008, while the sum is 38.

The square root of 42612788 is about 6527.8471183078. The cubic root of 42612788 is about 349.2850384680.

The spelling of 42612788 in words is "forty-two million, six hundred twelve thousand, seven hundred eighty-eight".