674917824 has 56 divisors (see below), whose sum is σ = 2040827008. Its totient is φ = 192833280.

The previous prime is 674917823. The next prime is 674917861. The reversal of 674917824 is 428719476.

It is a tau number, because it is divible by the number of its divisors (56).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (674917823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 249742 + ... + 252429.

Almost surely, 2^674917824 is an apocalyptic number.

674917824 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

674917824 is an abundant number, since it is smaller than the sum of its proper divisors (1365909184).

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

674917824 is a wasteful number, since it uses less digits than its factorization.

674917824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502193 (or 502183 counting only the distinct ones).

The product of its digits is 677376, while the sum is 48.

The square root of 674917824 is about 25979.1805875397. The cubic root of 674917824 is about 877.1697223775.

The spelling of 674917824 in words is "six hundred seventy-four million, nine hundred seventeen thousand, eight hundred twenty-four".