764072190 has 384 divisors, whose sum is σ = 2584535040. Its totient is φ = 161663040.

The previous prime is 764072189. The next prime is 764072207. The reversal of 764072190 is 91270467.

It is a happy number.

764072190 is a `hidden beast` number, since 7 + 640 + 7 + 2 + 1 + 9 + 0 = 666.

764072190 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×764072190² = 1167612623062792200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 24647475 + ... + 24647505.

It is an arithmetic number, because the mean of its divisors is an integer number (6730560).

Almost surely, 2^764072190 is an apocalyptic number.

764072190 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 764072190, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1292267520).

764072190 is an abundant number, since it is smaller than the sum of its proper divisors (1820462850).

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

764072190 is a wasteful number, since it uses less digits than its factorization.

764072190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96 (or 71 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 36.

The square root of 764072190 is about 27641.8557625931. The cubic root of 764072190 is about 914.2075374586.

The spelling of 764072190 in words is "seven hundred sixty-four million, seventy-two thousand, one hundred ninety".