674642051 has 8 divisors (see below), whose sum is σ = 702594000. Its totient is φ = 647002720.

The previous prime is 674642029. The next prime is 674642083. The reversal of 674642051 is 150246476.

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 674642051 - 2¹⁰ = 674641027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (674642251) 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, 73745 + ... + 82386.

It is an arithmetic number, because the mean of its divisors is an integer number (87824250).

Almost surely, 2^674642051 is an apocalyptic number.

674642051 is a deficient number, since it is larger than the sum of its proper divisors (27951949).

674642051 is a wasteful number, since it uses less digits than its factorization.

674642051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156309.

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 674642051 is about 25973.8724683094. The cubic root of 674642051 is about 877.0502349023.

The spelling of 674642051 in words is "six hundred seventy-four million, six hundred forty-two thousand, fifty-one".