674491725 has 48 divisors (see below), whose sum is σ = 1242777600. Its totient is φ = 358652160.

The previous prime is 674491663. The next prime is 674491739. The reversal of 674491725 is 527194476.

It is not a de Polignac number, because 674491725 - 2¹¹ = 674489677 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 257221 + ... + 259829.

It is an arithmetic number, because the mean of its divisors is an integer number (25891200).

Almost surely, 2^674491725 is an apocalyptic number.

It is an amenable number.

674491725 is a deficient number, since it is larger than the sum of its proper divisors (568285875).

674491725 is a wasteful number, since it uses less digits than its factorization.

674491725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3011 (or 3000 counting only the distinct ones).

The product of its digits is 423360, while the sum is 45.

The square root of 674491725 is about 25970.9785144881. The cubic root of 674491725 is about 876.9850876402.

The spelling of 674491725 in words is "six hundred seventy-four million, four hundred ninety-one thousand, seven hundred twenty-five".