674007408 has 30 divisors (see below), whose sum is σ = 1886285024. Its totient is φ = 224669088.

The previous prime is 674007403. The next prime is 674007409. The reversal of 674007408 is 804700476.

It is a happy number.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (674007403) 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 5 ways as a sum of consecutive naturals, for example, 2340160 + ... + 2340447.

Almost surely, 2^674007408 is an apocalyptic number.

It is an amenable number.

674007408 is an abundant number, since it is smaller than the sum of its proper divisors (1212277616).

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

674007408 is a wasteful number, since it uses less digits than its factorization.

674007408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4680621 (or 4680612 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 36.

The square root of 674007408 is about 25961.6526438515. The cubic root of 674007408 is about 876.7751317715.

The spelling of 674007408 in words is "six hundred seventy-four million, seven thousand, four hundred eight".