70972224 has 28 divisors (see below), whose sum is σ = 187781184. Its totient is φ = 23657344.

The previous prime is 70972217. The next prime is 70972241. The reversal of 70972224 is 42227907.

It is a congruent number.

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, 184632 + ... + 185015.

Almost surely, 2^70972224 is an apocalyptic number.

It is an amenable number.

70972224 is an abundant number, since it is smaller than the sum of its proper divisors (116808960).

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

70972224 is a wasteful number, since it uses less digits than its factorization.

70972224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 369662 (or 369652 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 33.

The square root of 70972224 is about 8424.5014095791. The cubic root of 70972224 is about 414.0277700805.

The spelling of 70972224 in words is "seventy million, nine hundred seventy-two thousand, two hundred twenty-four".