72567402 has 32 divisors (see below), whose sum is σ = 150583488. Its totient is φ = 23296896.

The previous prime is 72567401. The next prime is 72567409. The reversal of 72567402 is 20476527.

It is not an unprimeable number, because it can be changed into a prime (72567401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16908 + ... + 20760.

It is an arithmetic number, because the mean of its divisors is an integer number (4705734).

Almost surely, 2^72567402 is an apocalyptic number.

72567402 is an abundant number, since it is smaller than the sum of its proper divisors (78016086).

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

72567402 is a wasteful number, since it uses less digits than its factorization.

72567402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3974.

The product of its (nonzero) digits is 23520, while the sum is 33.

The square root of 72567402 is about 8518.6502451973. The cubic root of 72567402 is about 417.1067246916.

The spelling of 72567402 in words is "seventy-two million, five hundred sixty-seven thousand, four hundred two".