70772079 has 16 divisors (see below), whose sum is σ = 107976960. Its totient is φ = 40391040.

The previous prime is 70772077. The next prime is 70772111. The reversal of 70772079 is 97027707.

It is not a de Polignac number, because 70772079 - 2¹ = 70772077 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70772077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21367 + ... + 24455.

It is an arithmetic number, because the mean of its divisors is an integer number (6748560).

Almost surely, 2^70772079 is an apocalyptic number.

70772079 is a deficient number, since it is larger than the sum of its proper divisors (37204881).

70772079 is a wasteful number, since it uses less digits than its factorization.

70772079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4190.

The product of its (nonzero) digits is 43218, while the sum is 39.

The square root of 70772079 is about 8412.6142785700. The cubic root of 70772079 is about 413.6382110832.

The spelling of 70772079 in words is "seventy million, seven hundred seventy-two thousand, seventy-nine".