42597628 has 6 divisors (see below), whose sum is σ = 74545856. Its totient is φ = 21298812.

The previous prime is 42597613. The next prime is 42597629. The reversal of 42597628 is 82679524.

It is a super-2 number, since 2×42597628² = 3629115822452768, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42597629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5324700 + ... + 5324707.

Almost surely, 2^42597628 is an apocalyptic number.

It is an amenable number.

42597628 is a deficient number, since it is larger than the sum of its proper divisors (31948228).

42597628 is a wasteful number, since it uses less digits than its factorization.

42597628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10649411 (or 10649409 counting only the distinct ones).

The product of its digits is 241920, while the sum is 43.

The square root of 42597628 is about 6526.6858358588. The cubic root of 42597628 is about 349.2436128029.

The spelling of 42597628 in words is "forty-two million, five hundred ninety-seven thousand, six hundred twenty-eight".