70040773664 has 12 divisors (see below), whose sum is σ = 137892773214. Its totient is φ = 35020386816.

The previous prime is 70040773661. The next prime is 70040773681. The reversal of 70040773664 is 46637704007.

It can be written as a sum of positive squares in only one way, i.e., 69015493264 + 1025280400 = 262708^2 + 32020^2 .

It is not an unprimeable number, because it can be changed into a prime (70040773661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1094387057 + ... + 1094387120.

Almost surely, 2^70040773664 is an apocalyptic number.

It is an amenable number.

70040773664 is a deficient number, since it is larger than the sum of its proper divisors (67851999550).

70040773664 is a wasteful number, since it uses less digits than its factorization.

70040773664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2188774187 (or 2188774179 counting only the distinct ones).

The product of its (nonzero) digits is 592704, while the sum is 44.

The spelling of 70040773664 in words is "seventy billion, forty million, seven hundred seventy-three thousand, six hundred sixty-four".