72565042 has 8 divisors (see below), whose sum is σ = 118742832. Its totient is φ = 32984100.

The previous prime is 72565033. The next prime is 72565057. The reversal of 72565042 is 24056527.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 72564995 and 72565013.

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, 1649184 + ... + 1649227.

It is an arithmetic number, because the mean of its divisors is an integer number (14842854).

Almost surely, 2^72565042 is an apocalyptic number.

72565042 is a deficient number, since it is larger than the sum of its proper divisors (46177790).

72565042 is a wasteful number, since it uses less digits than its factorization.

72565042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3298424.

The product of its (nonzero) digits is 16800, while the sum is 31.

The square root of 72565042 is about 8518.5117244739. The cubic root of 72565042 is about 417.1022029986.

The spelling of 72565042 in words is "seventy-two million, five hundred sixty-five thousand, forty-two".