618794674 has 8 divisors (see below), whose sum is σ = 929144988. Its totient is φ = 309079680.

The previous prime is 618794653. The next prime is 618794677. The reversal of 618794674 is 476497816.

It can be written as a sum of positive squares in 2 ways, for example, as 590247025 + 28547649 = 24295^2 + 5343^2 .

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

It is not an unprimeable number, because it can be changed into a prime (618794677) by changing a digit.

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, 156387 + ... + 160294.

Almost surely, 2^618794674 is an apocalyptic number.

618794674 is a deficient number, since it is larger than the sum of its proper divisors (310350314).

618794674 is a wasteful number, since it uses less digits than its factorization.

618794674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317660.

The product of its digits is 2032128, while the sum is 52.

The square root of 618794674 is about 24875.5838926446. The cubic root of 618794674 is about 852.1489679422.

The spelling of 618794674 in words is "six hundred eighteen million, seven hundred ninety-four thousand, six hundred seventy-four".