764061650 has 96 divisors (see below), whose sum is σ = 1640894976. Its totient is φ = 262080000.

The previous prime is 764061631. The next prime is 764061659. The reversal of 764061650 is 56160467.

It is a self number, because there is not a number n which added to its sum of digits gives 764061650.

It is not an unprimeable number, because it can be changed into a prime (764061659) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 698504 + ... + 699596.

It is an arithmetic number, because the mean of its divisors is an integer number (17092656).

Almost surely, 2^764061650 is an apocalyptic number.

764061650 is an abundant number, since it is smaller than the sum of its proper divisors (876833326).

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

764061650 is a wasteful number, since it uses less digits than its factorization.

764061650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1188 (or 1183 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 764061650 is about 27641.6651090342. The cubic root of 764061650 is about 914.2033337581.

The spelling of 764061650 in words is "seven hundred sixty-four million, sixty-one thousand, six hundred fifty".