70776161320 has 32 divisors (see below), whose sum is σ = 162949770720. Its totient is φ = 27652080960.

The previous prime is 70776161293. The next prime is 70776161333. The reversal of 70776161320 is 2316167707.

It is a super-2 number, since 2×70776161320² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40).

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, 20572746 + ... + 20576185.

It is an arithmetic number, because the mean of its divisors is an integer number (5092180335).

Almost surely, 2^70776161320 is an apocalyptic number.

It is an amenable number.

70776161320 is an abundant number, since it is smaller than the sum of its proper divisors (92173609400).

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

70776161320 is a wasteful number, since it uses less digits than its factorization.

70776161320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41148985 (or 41148981 counting only the distinct ones).

The product of its (nonzero) digits is 74088, while the sum is 40.

The spelling of 70776161320 in words is "seventy billion, seven hundred seventy-six million, one hundred sixty-one thousand, three hundred twenty".