674256542 has 8 divisors (see below), whose sum is σ = 1011646632. Its totient is φ = 337041000.

The previous prime is 674256487. The next prime is 674256617. The reversal of 674256542 is 245652476.

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

It is a self number, because there is not a number n which added to its sum of digits gives 674256542.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 33509 + ... + 49712.

It is an arithmetic number, because the mean of its divisors is an integer number (126455829).

Almost surely, 2^674256542 is an apocalyptic number.

674256542 is a deficient number, since it is larger than the sum of its proper divisors (337390090).

674256542 is a wasteful number, since it uses less digits than its factorization.

674256542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87274.

The product of its digits is 403200, while the sum is 41.

The square root of 674256542 is about 25966.4503157440. The cubic root of 674256542 is about 876.8831462064.

The spelling of 674256542 in words is "six hundred seventy-four million, two hundred fifty-six thousand, five hundred forty-two".