70665492 has 24 divisors (see below), whose sum is σ = 170205952. Its totient is φ = 22795200.

The previous prime is 70665473. The next prime is 70665563. The reversal of 70665492 is 29456607.

It is a super-2 number, since 2×70665492² = 9987223519204128, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 70665492.

It is a congruent number.

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, 94609 + ... + 95352.

Almost surely, 2^70665492 is an apocalyptic number.

It is an amenable number.

70665492 is an abundant number, since it is smaller than the sum of its proper divisors (99540460).

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

70665492 is a wasteful number, since it uses less digits than its factorization.

70665492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189999 (or 189997 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 39.

The square root of 70665492 is about 8406.2769404773. The cubic root of 70665492 is about 413.4304520891.

The spelling of 70665492 in words is "seventy million, six hundred sixty-five thousand, four hundred ninety-two".