674360551 has 8 divisors (see below), whose sum is σ = 685830608. Its totient is φ = 663082200.

The previous prime is 674360549. The next prime is 674360567. The reversal of 674360551 is 155063476.

It is not a de Polignac number, because 674360551 - 2¹ = 674360549 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 674360551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (674360051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 225496 + ... + 228466.

It is an arithmetic number, because the mean of its divisors is an integer number (85728826).

Almost surely, 2^674360551 is an apocalyptic number.

674360551 is a gapful number since it is divisible by the number (61) formed by its first and last digit.

674360551 is a deficient number, since it is larger than the sum of its proper divisors (11470057).

674360551 is an frugal number, since it uses more digits than its factorization.

674360551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3154 (or 3032 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 37.

The square root of 674360551 is about 25968.4529958948. The cubic root of 674360551 is about 876.9282324331.

The spelling of 674360551 in words is "six hundred seventy-four million, three hundred sixty thousand, five hundred fifty-one".