674138910 has 32 divisors (see below), whose sum is σ = 1713107232. Its totient is φ = 169195520.

The previous prime is 674138887. The next prime is 674138917. The reversal of 674138910 is 19831476.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (674138917) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 660411 + ... + 661430.

It is an arithmetic number, because the mean of its divisors is an integer number (53534601).

Almost surely, 2^674138910 is an apocalyptic number.

674138910 is an abundant number, since it is smaller than the sum of its proper divisors (1038968322).

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

674138910 is a wasteful number, since it uses less digits than its factorization.

674138910 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1321868.

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 674138910 is about 25964.1851403043. The cubic root of 674138910 is about 876.8321490409.

The spelling of 674138910 in words is "six hundred seventy-four million, one hundred thirty-eight thousand, nine hundred ten".