70961764 has 12 divisors (see below), whose sum is σ = 124814844. Its totient is φ = 35300384.

The previous prime is 70961741. The next prime is 70961771. The reversal of 70961764 is 46716907.

It can be written as a sum of positive squares in 2 ways, for example, as 57123364 + 13838400 = 7558^2 + 3720^2 .

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, 44239 + ... + 45814.

It is an arithmetic number, because the mean of its divisors is an integer number (10401237).

Almost surely, 2^70961764 is an apocalyptic number.

It is an amenable number.

70961764 is a deficient number, since it is larger than the sum of its proper divisors (53853080).

70961764 is a wasteful number, since it uses less digits than its factorization.

70961764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90254 (or 90252 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 40.

The square root of 70961764 is about 8423.8805784508. The cubic root of 70961764 is about 414.0074290560.

The spelling of 70961764 in words is "seventy million, nine hundred sixty-one thousand, seven hundred sixty-four".