674149376 has 22 divisors (see below), whose sum is σ = 1347642450. Its totient is φ = 337074176.

The previous prime is 674149373. The next prime is 674149381. The reversal of 674149376 is 673941476.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 356454400 + 317694976 = 18880^2 + 17824^2 .

It is a super-2 number, since 2×674149376² = 908954762322378752, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 674149376.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (674149373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 328151 + ... + 330198.

It is an arithmetic number, because the mean of its divisors is an integer number (61256475).

Almost surely, 2^674149376 is an apocalyptic number.

It is an amenable number.

674149376 is a deficient number, since it is larger than the sum of its proper divisors (673493074).

674149376 is an equidigital number, since it uses as much as digits as its factorization.

674149376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 658369 (or 658351 counting only the distinct ones).

The product of its digits is 762048, while the sum is 47.

The square root of 674149376 is about 25964.3866863826. The cubic root of 674149376 is about 876.8366866210.

The spelling of 674149376 in words is "six hundred seventy-four million, one hundred forty-nine thousand, three hundred seventy-six".