70646416 has 10 divisors (see below), whose sum is σ = 136877462. Its totient is φ = 35323200.

The previous prime is 70646383. The next prime is 70646419. The reversal of 70646416 is 61464607.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 68956416 + 1690000 = 8304^2 + 1300^2 .

It is not an unprimeable number, because it can be changed into a prime (70646419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2207685 + ... + 2207716.

Almost surely, 2^70646416 is an apocalyptic number.

It is an amenable number.

70646416 is a deficient number, since it is larger than the sum of its proper divisors (66231046).

70646416 is a wasteful number, since it uses less digits than its factorization.

70646416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4415409 (or 4415403 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 70646416 is about 8405.1422355603. The cubic root of 70646416 is about 413.3932471826.

The spelling of 70646416 in words is "seventy million, six hundred forty-six thousand, four hundred sixteen".