42725804 has 24 divisors (see below), whose sum is σ = 81859008. Its totient is φ = 19351440.

The previous prime is 42725797. The next prime is 42725819. The reversal of 42725804 is 40852724.

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, 11927 + ... + 15089.

It is an arithmetic number, because the mean of its divisors is an integer number (3410792).

Almost surely, 2^42725804 is an apocalyptic number.

42725804 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

42725804 is a deficient number, since it is larger than the sum of its proper divisors (39133204).

42725804 is a wasteful number, since it uses less digits than its factorization.

42725804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3485 (or 3483 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 32.

The square root of 42725804 is about 6536.4978390572. The cubic root of 42725804 is about 349.5935526741.

Subtracting from 42725804 its reverse (40852724), we obtain a triangular number (1873080 = T₁₉₃₅).

The spelling of 42725804 in words is "forty-two million, seven hundred twenty-five thousand, eight hundred four".