674772251 has 8 divisors (see below), whose sum is σ = 711720000. Its totient is φ = 637967880.

The previous prime is 674772247. The next prime is 674772253. The reversal of 674772251 is 152277476.

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 674772251 - 2² = 674772247 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 674772199 and 674772208.

It is not an unprimeable number, because it can be changed into a prime (674772253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26105 + ... + 45066.

It is an arithmetic number, because the mean of its divisors is an integer number (88965000).

Almost surely, 2^674772251 is an apocalyptic number.

674772251 is a deficient number, since it is larger than the sum of its proper divisors (36947749).

674772251 is a wasteful number, since it uses less digits than its factorization.

674772251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71689.

The product of its digits is 164640, while the sum is 41.

The square root of 674772251 is about 25976.3787122070. The cubic root of 674772251 is about 877.1066522746.

The spelling of 674772251 in words is "six hundred seventy-four million, seven hundred seventy-two thousand, two hundred fifty-one".