70772379 has 16 divisors (see below), whose sum is σ = 97301280. Its totient is φ = 45722880.

The previous prime is 70772371. The next prime is 70772381. The reversal of 70772379 is 97327707.

It is not a de Polignac number, because 70772379 - 2³ = 70772371 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 70772379.

It is not an unprimeable number, because it can be changed into a prime (70772371) 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, 30057 + ... + 32325.

It is an arithmetic number, because the mean of its divisors is an integer number (6081330).

Almost surely, 2^70772379 is an apocalyptic number.

70772379 is a deficient number, since it is larger than the sum of its proper divisors (26528901).

70772379 is a wasteful number, since it uses less digits than its factorization.

70772379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2590.

The product of its (nonzero) digits is 129654, while the sum is 42.

The square root of 70772379 is about 8412.6321089181. The cubic root of 70772379 is about 413.6387955476.

The spelling of 70772379 in words is "seventy million, seven hundred seventy-two thousand, three hundred seventy-nine".