70400379 has 16 divisors (see below), whose sum is σ = 107569152. Its totient is φ = 40119168.

The previous prime is 70400359. The next prime is 70400419. The reversal of 70400379 is 97300407.

It is not a de Polignac number, because 70400379 - 2¹⁵ = 70367611 is a prime.

It is not an unprimeable number, because it can be changed into a prime (70400359) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3667 + ... + 12419.

It is an arithmetic number, because the mean of its divisors is an integer number (6723072).

Almost surely, 2^70400379 is an apocalyptic number.

70400379 is a deficient number, since it is larger than the sum of its proper divisors (37168773).

70400379 is a wasteful number, since it uses less digits than its factorization.

70400379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9146.

The product of its (nonzero) digits is 5292, while the sum is 30.

The square root of 70400379 is about 8390.4933704759. The cubic root of 70400379 is about 412.9127871550.

The spelling of 70400379 in words is "seventy million, four hundred thousand, three hundred seventy-nine".