70377507664 has 40 divisors (see below), whose sum is σ = 144407710440. Its totient is φ = 33111871488.

The previous prime is 70377507653. The next prime is 70377507677. The reversal of 70377507664 is 46670577307.

It can be written as a sum of positive squares in 4 ways, for example, as 2408846400 + 67968661264 = 49080^2 + 260708^2 .

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, 1409722 + ... + 1458790.

It is an arithmetic number, because the mean of its divisors is an integer number (3610192761).

Almost surely, 2^70377507664 is an apocalyptic number.

It is an amenable number.

70377507664 is an abundant number, since it is smaller than the sum of its proper divisors (74030202776).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

70377507664 is a wasteful number, since it uses less digits than its factorization.

70377507664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54367 (or 54361 counting only the distinct ones).

The product of its (nonzero) digits is 5186160, while the sum is 52.

The spelling of 70377507664 in words is "seventy billion, three hundred seventy-seven million, five hundred seven thousand, six hundred sixty-four".