42372508 has 12 divisors (see below), whose sum is σ = 78054760. Its totient is φ = 20071152.

The previous prime is 42372503. The next prime is 42372523. The reversal of 42372508 is 80527324.

It is a self number, because there is not a number n which added to its sum of digits gives 42372508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42372503) 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, 278691 + ... + 278842.

Almost surely, 2^42372508 is an apocalyptic number.

It is an amenable number.

42372508 is a deficient number, since it is larger than the sum of its proper divisors (35682252).

42372508 is a wasteful number, since it uses less digits than its factorization.

42372508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 557556 (or 557554 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 42372508 is about 6509.4168709647. The cubic root of 42372508 is about 348.6272981242.

The spelling of 42372508 in words is "forty-two million, three hundred seventy-two thousand, five hundred eight".