674405371 has 4 divisors (see below), whose sum is σ = 674621752. Its totient is φ = 674188992.

The previous prime is 674405363. The next prime is 674405477. The reversal of 674405371 is 173504476.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 674405371 - 2³ = 674405363 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 674405371.

It is not an unprimeable number, because it can be changed into a prime (674405311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103446 + ... + 109771.

It is an arithmetic number, because the mean of its divisors is an integer number (168655438).

Almost surely, 2^674405371 is an apocalyptic number.

674405371 is a deficient number, since it is larger than the sum of its proper divisors (216381).

674405371 is a wasteful number, since it uses less digits than its factorization.

674405371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216380.

The product of its (nonzero) digits is 70560, while the sum is 37.

The square root of 674405371 is about 25969.3159517150. The cubic root of 674405371 is about 876.9476597521.

The spelling of 674405371 in words is "six hundred seventy-four million, four hundred five thousand, three hundred seventy-one".