1992702730 has 32 divisors (see below), whose sum is σ = 3656430720. Its totient is φ = 781771200.

The previous prime is 1992702709. The next prime is 1992702739. The reversal of 1992702730 is 372072991.

It is not an unprimeable number, because it can be changed into a prime (1992702739) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98851 + ... + 117289.

It is an arithmetic number, because the mean of its divisors is an integer number (114263460).

Almost surely, 2^1992702730 is an apocalyptic number.

1992702730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1992702730 is a deficient number, since it is larger than the sum of its proper divisors (1663727990).

1992702730 is a wasteful number, since it uses less digits than its factorization.

1992702730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18654.

The product of its (nonzero) digits is 47628, while the sum is 40.

The square root of 1992702730 is about 44639.6990357238. The cubic root of 1992702730 is about 1258.3868517896.

The spelling of 1992702730 in words is "one billion, nine hundred ninety-two million, seven hundred two thousand, seven hundred thirty".