674745765 has 32 divisors (see below), whose sum is σ = 1144012800. Its totient is φ = 338644800.

The previous prime is 674745763. The next prime is 674745767. The reversal of 674745765 is 567547476.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (674745763) and next prime (674745767).

It is not a de Polignac number, because 674745765 - 2¹ = 674745763 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (674745763) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35196 + ... + 50874.

It is an arithmetic number, because the mean of its divisors is an integer number (35750400).

Almost surely, 2^674745765 is an apocalyptic number.

It is an amenable number.

674745765 is a deficient number, since it is larger than the sum of its proper divisors (469267035).

674745765 is a wasteful number, since it uses less digits than its factorization.

674745765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15857.

The product of its digits is 4939200, while the sum is 51.

The square root of 674745765 is about 25975.8688978829. The cubic root of 674745765 is about 877.0951761305.

The spelling of 674745765 in words is "six hundred seventy-four million, seven hundred forty-five thousand, seven hundred sixty-five".