674274121 has 4 divisors (see below), whose sum is σ = 677804544. Its totient is φ = 670743700.

The previous prime is 674274103. The next prime is 674274137. The reversal of 674274121 is 121472476.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 674274121 - 2⁷ = 674273993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (674274191) 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, 1764925 + ... + 1765306.

It is an arithmetic number, because the mean of its divisors is an integer number (169451136).

Almost surely, 2^674274121 is an apocalyptic number.

It is an amenable number.

674274121 is a deficient number, since it is larger than the sum of its proper divisors (3530423).

674274121 is a wasteful number, since it uses less digits than its factorization.

674274121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3530422.

The product of its digits is 18816, while the sum is 34.

The square root of 674274121 is about 25966.7888080140. The cubic root of 674274121 is about 876.8907667454.

The spelling of 674274121 in words is "six hundred seventy-four million, two hundred seventy-four thousand, one hundred twenty-one".