70672920 has 32 divisors (see below), whose sum is σ = 212019120. Its totient is φ = 18846080.

The previous prime is 70672909. The next prime is 70672967. The reversal of 70672920 is 2927607.

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, 294351 + ... + 294590.

Almost surely, 2^70672920 is an apocalyptic number.

It is an amenable number.

70672920 is an abundant number, since it is smaller than the sum of its proper divisors (141346200).

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

70672920 is a wasteful number, since it uses less digits than its factorization.

70672920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 588955 (or 588951 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 33.

The square root of 70672920 is about 8406.7187415781. The cubic root of 70672920 is about 413.4449374894. Note that the first 3 decimals are identical.

The spelling of 70672920 in words is "seventy million, six hundred seventy-two thousand, nine hundred twenty".