42625720 has 16 divisors (see below), whose sum is σ = 95907960. Its totient is φ = 17050272.

The previous prime is 42625703. The next prime is 42625741. The reversal of 42625720 is 2752624.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 532782 + ... + 532861.

Almost surely, 2^42625720 is an apocalyptic number.

42625720 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42625720 is an abundant number, since it is smaller than the sum of its proper divisors (53282240).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42625720 is a wasteful number, since it uses less digits than its factorization.

42625720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1065654 (or 1065650 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 42625720 is about 6528.8375688173. The cubic root of 42625720 is about 349.3203682166.

The spelling of 42625720 in words is "forty-two million, six hundred twenty-five thousand, seven hundred twenty".