190972767 has 8 divisors (see below), whose sum is σ = 255400960. Its totient is φ = 126929880.

The previous prime is 190972763. The next prime is 190972807. The reversal of 190972767 is 767279091.

190972767 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 190972767 - 2² = 190972763 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190972763) 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, 95167 + ... + 97152.

It is an arithmetic number, because the mean of its divisors is an integer number (31925120).

Almost surely, 2^190972767 is an apocalyptic number.

190972767 is a deficient number, since it is larger than the sum of its proper divisors (64428193).

190972767 is a wasteful number, since it uses less digits than its factorization.

190972767 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192653.

The product of its (nonzero) digits is 333396, while the sum is 48.

The square root of 190972767 is about 13819.2896706017. The cubic root of 190972767 is about 575.8691500851.

The spelling of 190972767 in words is "one hundred ninety million, nine hundred seventy-two thousand, seven hundred sixty-seven".