1992748074 has 16 divisors (see below), whose sum is σ = 3986325408. Its totient is φ = 664111152.

The previous prime is 1992748067. The next prime is 1992748099. The reversal of 1992748074 is 4708472991.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 772 + ... + 63135.

It is an arithmetic number, because the mean of its divisors is an integer number (249145338).

Almost surely, 2^1992748074 is an apocalyptic number.

1992748074 is an abundant number, since it is smaller than the sum of its proper divisors (1993577334).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1992748074 is a wasteful number, since it uses less digits than its factorization.

1992748074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69109.

The product of its (nonzero) digits is 1016064, while the sum is 51.

The square root of 1992748074 is about 44640.2069215634. The cubic root of 1992748074 is about 1258.3963965919.

The spelling of 1992748074 in words is "one billion, nine hundred ninety-two million, seven hundred forty-eight thousand, seventy-four".