70400804780 has 24 divisors (see below), whose sum is σ = 147846763680. Its totient is φ = 28159355520.

The previous prime is 70400804767. The next prime is 70400804783. The reversal of 70400804780 is 8740800407.

It is not an unprimeable number, because it can be changed into a prime (70400804783) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 945761 + ... + 1017479.

It is an arithmetic number, because the mean of its divisors is an integer number (6160281820).

Almost surely, 2^70400804780 is an apocalyptic number.

It is an amenable number.

70400804780 is an abundant number, since it is smaller than the sum of its proper divisors (77445958900).

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

70400804780 is a wasteful number, since it uses less digits than its factorization.

70400804780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120809 (or 120807 counting only the distinct ones).

The product of its (nonzero) digits is 50176, while the sum is 38.

The spelling of 70400804780 in words is "seventy billion, four hundred million, eight hundred four thousand, seven hundred eighty".