192972790 has 16 divisors (see below), whose sum is σ = 347510160. Its totient is φ = 77153760.

The previous prime is 192972779. The next prime is 192972803. The reversal of 192972790 is 97279291.

192972790 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 192972790.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36856 + ... + 41764.

It is an arithmetic number, because the mean of its divisors is an integer number (21719385).

Almost surely, 2^192972790 is an apocalyptic number.

192972790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

192972790 is a deficient number, since it is larger than the sum of its proper divisors (154537370).

192972790 is a wasteful number, since it uses less digits than its factorization.

192972790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8847.

The product of its (nonzero) digits is 142884, while the sum is 46.

The square root of 192972790 is about 13891.4646456016. The cubic root of 192972790 is about 577.8724969493.

The spelling of 192972790 in words is "one hundred ninety-two million, nine hundred seventy-two thousand, seven hundred ninety".