674281901 has 4 divisors (see below), whose sum is σ = 675963804. Its totient is φ = 672600000.

The previous prime is 674281879. The next prime is 674281919. The reversal of 674281901 is 109182476.

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

It can be written as a sum of positive squares in 2 ways, for example, as 651576676 + 22705225 = 25526^2 + 4765^2 .

It is a cyclic number.

It is not a de Polignac number, because 674281901 - 2¹⁴ = 674265517 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 (674281921) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 840350 + ... + 841151.

It is an arithmetic number, because the mean of its divisors is an integer number (168990951).

Almost surely, 2^674281901 is an apocalyptic number.

It is an amenable number.

674281901 is a deficient number, since it is larger than the sum of its proper divisors (1681903).

674281901 is a wasteful number, since it uses less digits than its factorization.

674281901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1681902.

The product of its (nonzero) digits is 24192, while the sum is 38.

The square root of 674281901 is about 25966.9386143226. The cubic root of 674281901 is about 876.8941393520.

The spelling of 674281901 in words is "six hundred seventy-four million, two hundred eighty-one thousand, nine hundred one".