674522745 has 64 divisors (see below), whose sum is σ = 1210809600. Its totient is φ = 318366720.

The previous prime is 674522741. The next prime is 674522773. The reversal of 674522745 is 547225476.

It is not a de Polignac number, because 674522745 - 2² = 674522741 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 674522697 and 674522706.

It is not an unprimeable number, because it can be changed into a prime (674522741) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1023226 + ... + 1023884.

It is an arithmetic number, because the mean of its divisors is an integer number (18918900).

Almost surely, 2^674522745 is an apocalyptic number.

674522745 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

674522745 is a deficient number, since it is larger than the sum of its proper divisors (536286855).

674522745 is a wasteful number, since it uses less digits than its factorization.

674522745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 890.

The product of its digits is 470400, while the sum is 42.

The square root of 674522745 is about 25971.5757126902. The cubic root of 674522745 is about 876.9985316699.

The spelling of 674522745 in words is "six hundred seventy-four million, five hundred twenty-two thousand, seven hundred forty-five".