70379317 has 4 divisors (see below), whose sum is σ = 72806220. Its totient is φ = 67952416.

The previous prime is 70379263. The next prime is 70379321. The reversal of 70379317 is 71397307.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 15634116 + 54745201 = 3954^2 + 7399^2 .

It is a cyclic number.

It is not a de Polignac number, because 70379317 - 2¹⁹ = 69855029 is a prime.

It is a super-2 number, since 2×70379317² = 9906496522772978, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70379017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1213408 + ... + 1213465.

It is an arithmetic number, because the mean of its divisors is an integer number (18201555).

Almost surely, 2^70379317 is an apocalyptic number.

It is an amenable number.

70379317 is a deficient number, since it is larger than the sum of its proper divisors (2426903).

70379317 is a wasteful number, since it uses less digits than its factorization.

70379317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2426902.

The product of its (nonzero) digits is 27783, while the sum is 37.

The square root of 70379317 is about 8389.2381656501. The cubic root of 70379317 is about 412.8716053855.

The spelling of 70379317 in words is "seventy million, three hundred seventy-nine thousand, three hundred seventeen".