42502772 has 24 divisors (see below), whose sum is σ = 84319200. Its totient is φ = 18583776.

The previous prime is 42502769. The next prime is 42502783. The reversal of 42502772 is 27720524.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20522 + ... + 22497.

It is an arithmetic number, because the mean of its divisors is an integer number (3513300).

Almost surely, 2^42502772 is an apocalyptic number.

It is an amenable number.

42502772 is a deficient number, since it is larger than the sum of its proper divisors (41816428).

42502772 is a wasteful number, since it uses less digits than its factorization.

42502772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43055 (or 43053 counting only the distinct ones).

The product of its (nonzero) digits is 7840, while the sum is 29.

The square root of 42502772 is about 6519.4150044310. The cubic root of 42502772 is about 348.9841893424.

The spelling of 42502772 in words is "forty-two million, five hundred two thousand, seven hundred seventy-two".