1868012746 has 4 divisors (see below), whose sum is σ = 2802019122. Its totient is φ = 934006372.

The previous prime is 1868012743. The next prime is 1868012789. The reversal of 1868012746 is 6472108681.

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

It can be written as a sum of positive squares in only one way, i.e., 1696533721 + 171479025 = 41189^2 + 13095^2 .

It is not an unprimeable number, because it can be changed into a prime (1868012743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 467003185 + ... + 467003188.

Almost surely, 2^1868012746 is an apocalyptic number.

1868012746 is a deficient number, since it is larger than the sum of its proper divisors (934006376).

1868012746 is an equidigital number, since it uses as much as digits as its factorization.

1868012746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 934006375.

The product of its (nonzero) digits is 129024, while the sum is 43.

The square root of 1868012746 is about 43220.5130233319. The cubic root of 1868012746 is about 1231.5723927307.

The spelling of 1868012746 in words is "one billion, eight hundred sixty-eight million, twelve thousand, seven hundred forty-six".