764642107 has 16 divisors (see below), whose sum is σ = 817708032. Its totient is φ = 713338560.

The previous prime is 764642093. The next prime is 764642119. The reversal of 764642107 is 701246467.

It is a de Polignac number, because none of the positive numbers 2^k-764642107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (764642147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 356743 + ... + 358879.

It is an arithmetic number, because the mean of its divisors is an integer number (51106752).

Almost surely, 2^764642107 is an apocalyptic number.

764642107 is a deficient number, since it is larger than the sum of its proper divisors (53065925).

764642107 is a wasteful number, since it uses less digits than its factorization.

764642107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2538.

The product of its (nonzero) digits is 56448, while the sum is 37.

The square root of 764642107 is about 27652.1627906390. The cubic root of 764642107 is about 914.4347816619.

The spelling of 764642107 in words is "seven hundred sixty-four million, six hundred forty-two thousand, one hundred seven".