674922864 has 240 divisors, whose sum is σ = 2330743680. Its totient is φ = 165957120.

The previous prime is 674922841. The next prime is 674922869. The reversal of 674922864 is 468229476.

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 (674922869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 490882 + ... + 492254.

It is an arithmetic number, because the mean of its divisors is an integer number (9711432).

Almost surely, 2^674922864 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 674922864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1165371840).

674922864 is an abundant number, since it is smaller than the sum of its proper divisors (1655820816).

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

674922864 is a wasteful number, since it uses less digits than its factorization.

674922864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1428 (or 1415 counting only the distinct ones).

The product of its digits is 1161216, while the sum is 48.

The square root of 674922864 is about 25979.2775881086. The cubic root of 674922864 is about 877.1719058158.

The spelling of 674922864 in words is "six hundred seventy-four million, nine hundred twenty-two thousand, eight hundred sixty-four".