190779974 has 24 divisors (see below), whose sum is σ = 359489424. Its totient is φ = 74329200.

The previous prime is 190779947. The next prime is 190779977. The reversal of 190779974 is 479977091.

190779974 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190779977) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 54617 + ... + 58004.

It is an arithmetic number, because the mean of its divisors is an integer number (14978726).

Almost surely, 2^190779974 is an apocalyptic number.

190779974 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

190779974 is a deficient number, since it is larger than the sum of its proper divisors (168709450).

190779974 is a wasteful number, since it uses less digits than its factorization.

190779974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112652 (or 112641 counting only the distinct ones).

The product of its (nonzero) digits is 1000188, while the sum is 53.

The square root of 190779974 is about 13812.3124059659. The cubic root of 190779974 is about 575.6752988460.

The spelling of 190779974 in words is "one hundred ninety million, seven hundred seventy-nine thousand, nine hundred seventy-four".