42751725 has 24 divisors (see below), whose sum is σ = 72412032. Its totient is φ = 22243200.

The previous prime is 42751703. The next prime is 42751763. The reversal of 42751725 is 52715724.

It is not a de Polignac number, because 42751725 - 2⁸ = 42751469 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3877 + ... + 10026.

It is an arithmetic number, because the mean of its divisors is an integer number (3017168).

Almost surely, 2^42751725 is an apocalyptic number.

It is an amenable number.

42751725 is a deficient number, since it is larger than the sum of its proper divisors (29660307).

42751725 is a wasteful number, since it uses less digits than its factorization.

42751725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13957 (or 13952 counting only the distinct ones).

The product of its digits is 19600, while the sum is 33.

The square root of 42751725 is about 6538.4803280273. The cubic root of 42751725 is about 349.6642358187.

The spelling of 42751725 in words is "forty-two million, seven hundred fifty-one thousand, seven hundred twenty-five".