674648676 has 189 divisors, whose sum is σ = 1969987131. Its totient is φ = 201973824.

The previous prime is 674648671. The next prime is 674648683. The reversal of 674648676 is 676846476.

It is a happy number.

The square root of 674648676 is 25974.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 2802276 + 671846400 = 1674^2 + 25920^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (674648671) by changing a digit.

It is a polite number, since it can be written in 62 ways as a sum of consecutive naturals, for example, 18233730 + ... + 18233766.

Almost surely, 2^674648676 is an apocalyptic number.

674648676 is the 25974-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 674648676

674648676 is an abundant number, since it is smaller than the sum of its proper divisors (1295338455).

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

674648676 is a wasteful number, since it uses less digits than its factorization.

674648676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122 (or 55 counting only the distinct ones).

The product of its digits is 8128512, while the sum is 54.

The cubic root of 674648676 is about 877.0531057772.

The spelling of 674648676 in words is "six hundred seventy-four million, six hundred forty-eight thousand, six hundred seventy-six".