70868828944 has 15 divisors (see below), whose sum is σ = 137310419253. Its totient is φ = 35433882048.

The previous prime is 70868828939. The next prime is 70868828951. The reversal of 70868828944 is 44982886807.

The square root of 70868828944 is 266212.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 8712355600 + 62156473344 = 93340^2 + 249312^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1031572 + ... + 1098124.

Almost surely, 2^70868828944 is an apocalyptic number.

70868828944 is the 266212-nd square number.

It is an amenable number.

70868828944 is a deficient number, since it is larger than the sum of its proper divisors (66441590309).

70868828944 is an frugal number, since it uses more digits than its factorization.

70868828944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133114 (or 66555 counting only the distinct ones).

The product of its (nonzero) digits is 49545216, while the sum is 64.

Multiplying 70868828944 by its sum of digits (64), we get a square (4535605052416 = 2129696²).

The spelling of 70868828944 in words is "seventy billion, eight hundred sixty-eight million, eight hundred twenty-eight thousand, nine hundred forty-four".