764762642 has 8 divisors (see below), whose sum is σ = 1311021696. Its totient is φ = 327755412.

The previous prime is 764762617. The next prime is 764762651. The reversal of 764762642 is 246267467.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 764762593 and 764762602.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27312938 + ... + 27312965.

It is an arithmetic number, because the mean of its divisors is an integer number (163877712).

Almost surely, 2^764762642 is an apocalyptic number.

764762642 is a deficient number, since it is larger than the sum of its proper divisors (546259054).

764762642 is a wasteful number, since it uses less digits than its factorization.

764762642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54625912.

The product of its digits is 677376, while the sum is 44.

The square root of 764762642 is about 27654.3421906940. The cubic root of 764762642 is about 914.4828283686.

The spelling of 764762642 in words is "seven hundred sixty-four million, seven hundred sixty-two thousand, six hundred forty-two".