70997706 has 24 divisors (see below), whose sum is σ = 165661860. Its totient is φ = 21845376.

The previous prime is 70997681. The next prime is 70997723. The reversal of 70997706 is 60779907.

It can be written as a sum of positive squares in 2 ways, for example, as 60980481 + 10017225 = 7809^2 + 3165^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 151471 + ... + 151938.

Almost surely, 2^70997706 is an apocalyptic number.

70997706 is an abundant number, since it is smaller than the sum of its proper divisors (94664154).

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

70997706 is a wasteful number, since it uses less digits than its factorization.

70997706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303430 (or 303427 counting only the distinct ones).

The product of its (nonzero) digits is 166698, while the sum is 45.

The square root of 70997706 is about 8426.0136482206. The cubic root of 70997706 is about 414.0773152530.

The spelling of 70997706 in words is "seventy million, nine hundred ninety-seven thousand, seven hundred six".