70961372 has 6 divisors (see below), whose sum is σ = 124182408. Its totient is φ = 35480684.

The previous prime is 70961357. The next prime is 70961381. The reversal of 70961372 is 27316907.

It is a super-2 number, since 2×70961372² = 10071032632244768, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 8870168 + ... + 8870175.

It is an arithmetic number, because the mean of its divisors is an integer number (20697068).

Almost surely, 2^70961372 is an apocalyptic number.

It is an amenable number.

70961372 is a deficient number, since it is larger than the sum of its proper divisors (53221036).

70961372 is a wasteful number, since it uses less digits than its factorization.

70961372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17740347 (or 17740345 counting only the distinct ones).

The product of its (nonzero) digits is 15876, while the sum is 35.

The square root of 70961372 is about 8423.8573112322. The cubic root of 70961372 is about 414.0066667149.

The spelling of 70961372 in words is "seventy million, nine hundred sixty-one thousand, three hundred seventy-two".