920807734 has 16 divisors (see below), whose sum is σ = 1722030336. Its totient is φ = 358756200.

The previous prime is 920807731. The next prime is 920807759. The reversal of 920807734 is 437708029.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (920807731) 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, 2989482 + ... + 2989789.

It is an arithmetic number, because the mean of its divisors is an integer number (107626896).

Almost surely, 2^920807734 is an apocalyptic number.

920807734 is a deficient number, since it is larger than the sum of its proper divisors (801222602).

920807734 is a wasteful number, since it uses less digits than its factorization.

920807734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5979291.

The product of its (nonzero) digits is 84672, while the sum is 40.

The square root of 920807734 is about 30344.8139556004. The cubic root of 920807734 is about 972.8733781267.

The spelling of 920807734 in words is "nine hundred twenty million, eight hundred seven thousand, seven hundred thirty-four".