70339972 has 6 divisors (see below), whose sum is σ = 123094958. Its totient is φ = 35169984.

The previous prime is 70339963. The next prime is 70339979. The reversal of 70339972 is 27993307.

It can be written as a sum of positive squares in only one way, i.e., 52649536 + 17690436 = 7256^2 + 4206^2 .

It is not an unprimeable number, because it can be changed into a prime (70339979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8792493 + ... + 8792500.

Almost surely, 2^70339972 is an apocalyptic number.

It is an amenable number.

70339972 is a deficient number, since it is larger than the sum of its proper divisors (52754986).

70339972 is a wasteful number, since it uses less digits than its factorization.

70339972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17584997 (or 17584995 counting only the distinct ones).

The product of its (nonzero) digits is 71442, while the sum is 40.

The square root of 70339972 is about 8386.8928692335. The cubic root of 70339972 is about 412.7946535098.

The spelling of 70339972 in words is "seventy million, three hundred thirty-nine thousand, nine hundred seventy-two".