67906572 has 24 divisors (see below), whose sum is σ = 158583600. Its totient is φ = 22616256.

The previous prime is 67906549. The next prime is 67906591. The reversal of 67906572 is 27560976.

It is a happy number.

It is a super-2 number, since 2×67906572² = 9222605041582368, which contains 22 as substring.

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, 22954 + ... + 25742.

It is an arithmetic number, because the mean of its divisors is an integer number (6607650).

Almost surely, 2^67906572 is an apocalyptic number.

It is an amenable number.

67906572 is an abundant number, since it is smaller than the sum of its proper divisors (90677028).

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

67906572 is a wasteful number, since it uses less digits than its factorization.

67906572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4825 (or 4823 counting only the distinct ones).

The product of its (nonzero) digits is 158760, while the sum is 42.

The square root of 67906572 is about 8240.5443994921. The cubic root of 67906572 is about 407.9784927148.

The spelling of 67906572 in words is "sixty-seven million, nine hundred six thousand, five hundred seventy-two".