1868764274 has 16 divisors (see below), whose sum is σ = 3083004288. Its totient is φ = 844154832.

The previous prime is 1868764243. The next prime is 1868764277. The reversal of 1868764274 is 4724678681.

It is not an unprimeable number, because it can be changed into a prime (1868764277) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 763412 + ... + 765855.

It is an arithmetic number, because the mean of its divisors is an integer number (192687768).

Almost surely, 2^1868764274 is an apocalyptic number.

1868764274 is a deficient number, since it is larger than the sum of its proper divisors (1214240014).

1868764274 is a wasteful number, since it uses less digits than its factorization.

1868764274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1529329.

The product of its digits is 3612672, while the sum is 53.

The square root of 1868764274 is about 43229.2062615080. The cubic root of 1868764274 is about 1231.7375302625.

The spelling of 1868764274 in words is "one billion, eight hundred sixty-eight million, seven hundred sixty-four thousand, two hundred seventy-four".