42725892 has 48 divisors (see below), whose sum is σ = 109154304. Its totient is φ = 12900000.

The previous prime is 42725863. The next prime is 42725911. The reversal of 42725892 is 29852724.

It is a self number, because there is not a number n which added to its sum of digits gives 42725892.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56517 + ... + 57267.

It is an arithmetic number, because the mean of its divisors is an integer number (2274048).

Almost surely, 2^42725892 is an apocalyptic number.

It is an amenable number.

42725892 is an abundant number, since it is smaller than the sum of its proper divisors (66428412).

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

42725892 is a wasteful number, since it uses less digits than its factorization.

42725892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1200 (or 1198 counting only the distinct ones).

The product of its digits is 80640, while the sum is 39.

The square root of 42725892 is about 6536.5045704872. The cubic root of 42725892 is about 349.5937926869.

It can be divided in two parts, 427258 and 92, that added together give a triangular number (427350 = T₉₂₄).

The spelling of 42725892 in words is "forty-two million, seven hundred twenty-five thousand, eight hundred ninety-two".