674406915 has 64 divisors (see below), whose sum is σ = 1406232576. Its totient is φ = 267835392.

The previous prime is 674406899. The next prime is 674406937. The reversal of 674406915 is 519604476.

It is not a de Polignac number, because 674406915 - 2⁴ = 674406899 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8674 + ... + 37736.

It is an arithmetic number, because the mean of its divisors is an integer number (21972384).

Almost surely, 2^674406915 is an apocalyptic number.

674406915 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

674406915 is an abundant number, since it is smaller than the sum of its proper divisors (731825661).

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

674406915 is a wasteful number, since it uses less digits than its factorization.

674406915 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29108.

The product of its (nonzero) digits is 181440, while the sum is 42.

The square root of 674406915 is about 25969.3456790886. The cubic root of 674406915 is about 876.9483289867.

The spelling of 674406915 in words is "six hundred seventy-four million, four hundred six thousand, nine hundred fifteen".