764671674 has 32 divisors (see below), whose sum is σ = 1691504640. Its totient is φ = 228923712.

The previous prime is 764671673. The next prime is 764671723. The reversal of 764671674 is 476176467.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (764671673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 129594 + ... + 135365.

It is an arithmetic number, because the mean of its divisors is an integer number (52859520).

Almost surely, 2^764671674 is an apocalyptic number.

764671674 is a gapful number since it is divisible by the number (74) formed by its first and last digit.

764671674 is an abundant number, since it is smaller than the sum of its proper divisors (926832966).

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

764671674 is a wasteful number, since it uses less digits than its factorization.

764671674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265014.

The product of its digits is 1185408, while the sum is 48.

The square root of 764671674 is about 27652.6974091136. The cubic root of 764671674 is about 914.4465678925.

The spelling of 764671674 in words is "seven hundred sixty-four million, six hundred seventy-one thousand, six hundred seventy-four".