764042734 has 16 divisors (see below), whose sum is σ = 1410540768. Its totient is φ = 302258592.

The previous prime is 764042723. The next prime is 764042737. The reversal of 764042734 is 437240467.

It is a super-2 number, since 2×764042734² = 1167522598756389512, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 764042693 and 764042702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (764042737) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2098837 + ... + 2099200.

It is an arithmetic number, because the mean of its divisors is an integer number (88158798).

Almost surely, 2^764042734 is an apocalyptic number.

764042734 is a deficient number, since it is larger than the sum of its proper divisors (646498034).

764042734 is a wasteful number, since it uses less digits than its factorization.

764042734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4198059.

The product of its (nonzero) digits is 112896, while the sum is 37.

The square root of 764042734 is about 27641.3229422906. The cubic root of 764042734 is about 914.1957893351.

The spelling of 764042734 in words is "seven hundred sixty-four million, forty-two thousand, seven hundred thirty-four".