70391322 has 32 divisors (see below), whose sum is σ = 165628800. Its totient is φ = 22083264.

The previous prime is 70391309. The next prime is 70391357. The reversal of 70391322 is 22319307.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37422 + ... + 39257.

It is an arithmetic number, because the mean of its divisors is an integer number (5175900).

Almost surely, 2^70391322 is an apocalyptic number.

70391322 is an abundant number, since it is smaller than the sum of its proper divisors (95237478).

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

70391322 is a wasteful number, since it uses less digits than its factorization.

70391322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76707 (or 76701 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 27.

The square root of 70391322 is about 8389.9536351520. The cubic root of 70391322 is about 412.8950793361.

The spelling of 70391322 in words is "seventy million, three hundred ninety-one thousand, three hundred twenty-two".