764417536 has 40 divisors (see below), whose sum is σ = 1562906664. Its totient is φ = 373309440.

The previous prime is 764417497. The next prime is 764417543. The reversal of 764417536 is 635714467.

It is a super-2 number, since 2×764417536² = 1168668338688622592, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a junction number, because it is equal to n+sod(n) for n = 764417492 and 764417501.

It is a congruent number.

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, 4656 + ... + 39376.

Almost surely, 2^764417536 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 764417536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (781453332).

764417536 is an abundant number, since it is smaller than the sum of its proper divisors (798489128).

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

764417536 is an equidigital number, since it uses as much as digits as its factorization.

764417536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34782 (or 34766 counting only the distinct ones).

The product of its digits is 423360, while the sum is 43.

The square root of 764417536 is about 27648.1018516642. The cubic root of 764417536 is about 914.3452514801.

The spelling of 764417536 in words is "seven hundred sixty-four million, four hundred seventeen thousand, five hundred thirty-six".