674247154 has 12 divisors (see below), whose sum is σ = 1176492654. Its totient is φ = 288963024.

The previous prime is 674247137. The next prime is 674247209. The reversal of 674247154 is 451742476.

It can be written as a sum of positive squares in only one way, i.e., 445421025 + 228826129 = 21105^2 + 15127^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3439939 + ... + 3440134.

Almost surely, 2^674247154 is an apocalyptic number.

674247154 is a deficient number, since it is larger than the sum of its proper divisors (502245500).

674247154 is a wasteful number, since it uses less digits than its factorization.

674247154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6880089 (or 6880082 counting only the distinct ones).

The product of its digits is 188160, while the sum is 40.

The square root of 674247154 is about 25966.2695433903. The cubic root of 674247154 is about 876.8790764315.

The spelling of 674247154 in words is "six hundred seventy-four million, two hundred forty-seven thousand, one hundred fifty-four".