764480970 has 64 divisors (see below), whose sum is σ = 2223953280. Its totient is φ = 185328000.

The previous prime is 764480953. The next prime is 764480971. The reversal of 764480970 is 79084467.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (764480971) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 125731 + ... + 131670.

It is an arithmetic number, because the mean of its divisors is an integer number (34749270).

Almost surely, 2^764480970 is an apocalyptic number.

764480970 is an abundant number, since it is smaller than the sum of its proper divisors (1459472310).

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

764480970 is a wasteful number, since it uses less digits than its factorization.

764480970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257428 (or 257422 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 45.

The square root of 764480970 is about 27649.2489952259. The cubic root of 764480970 is about 914.3705426199.

The spelling of 764480970 in words is "seven hundred sixty-four million, four hundred eighty thousand, nine hundred seventy".