70317572 has 24 divisors (see below), whose sum is σ = 134506176. Its totient is φ = 31968288.

The previous prime is 70317551. The next prime is 70317581. The reversal of 70317572 is 27571307.

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, 6608 + ... + 13575.

It is an arithmetic number, because the mean of its divisors is an integer number (5604424).

Almost surely, 2^70317572 is an apocalyptic number.

It is an amenable number.

70317572 is a deficient number, since it is larger than the sum of its proper divisors (64188604).

70317572 is a wasteful number, since it uses less digits than its factorization.

70317572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20267 (or 20265 counting only the distinct ones).

The product of its (nonzero) digits is 10290, while the sum is 32.

The square root of 70317572 is about 8385.5573458179. The cubic root of 70317572 is about 412.7508302436.

Adding to 70317572 its reverse (27571307), we get a palindrome (97888879).

The spelling of 70317572 in words is "seventy million, three hundred seventeen thousand, five hundred seventy-two".