70319345 has 16 divisors (see below), whose sum is σ = 88290000. Its totient is φ = 53695488.

The previous prime is 70319339. The next prime is 70319383. The reversal of 70319345 is 54391307.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 13512976 + 56806369 = 3676^2 + 7537^2 .

It is a cyclic number.

It is not a de Polignac number, because 70319345 - 2²² = 66125041 is a prime.

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, 10181 + ... + 15629.

It is an arithmetic number, because the mean of its divisors is an integer number (5518125).

Almost surely, 2^70319345 is an apocalyptic number.

It is an amenable number.

70319345 is a deficient number, since it is larger than the sum of its proper divisors (17970655).

70319345 is a wasteful number, since it uses less digits than its factorization.

70319345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5572.

The product of its (nonzero) digits is 11340, while the sum is 32.

The square root of 70319345 is about 8385.6630626326. The cubic root of 70319345 is about 412.7542992725.

The spelling of 70319345 in words is "seventy million, three hundred nineteen thousand, three hundred forty-five".