674576551 has 8 divisors (see below), whose sum is σ = 774633600. Its totient is φ = 580974840.

The previous prime is 674576549. The next prime is 674576557. The reversal of 674576551 is 155675476.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 674576551 - 2¹ = 674576549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (674576557) 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, 1613611 + ... + 1614028.

It is an arithmetic number, because the mean of its divisors is an integer number (96829200).

Almost surely, 2^674576551 is an apocalyptic number.

674576551 is a deficient number, since it is larger than the sum of its proper divisors (100057049).

674576551 is a wasteful number, since it uses less digits than its factorization.

674576551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3227669.

The product of its digits is 882000, while the sum is 46.

The square root of 674576551 is about 25972.6115552518. The cubic root of 674576551 is about 877.0218501465.

The spelling of 674576551 in words is "six hundred seventy-four million, five hundred seventy-six thousand, five hundred fifty-one".