70766772212 has 24 divisors (see below), whose sum is σ = 124448324616. Its totient is φ = 35210492928.

The previous prime is 70766772143. The next prime is 70766772299. The reversal of 70766772212 is 21227766707.

It can be written as a sum of positive squares in 4 ways, for example, as 8663141776 + 62103630436 = 93076^2 + 249206^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 694778 + ... + 790094.

It is an arithmetic number, because the mean of its divisors is an integer number (5185346859).

Almost surely, 2^70766772212 is an apocalyptic number.

It is an amenable number.

70766772212 is a deficient number, since it is larger than the sum of its proper divisors (53681552404).

70766772212 is a wasteful number, since it uses less digits than its factorization.

70766772212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96227 (or 96225 counting only the distinct ones).

The product of its (nonzero) digits is 691488, while the sum is 47.

The spelling of 70766772212 in words is "seventy billion, seven hundred sixty-six million, seven hundred seventy-two thousand, two hundred twelve".