754991982 has 16 divisors (see below), whose sum is σ = 1677760080. Its totient is φ = 251663976.

The previous prime is 754991959. The next prime is 754991989. The reversal of 754991982 is 289199457.

754991982 is a `hidden beast` number, since 7 + 549 + 9 + 1 + 98 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54), and also a Moran number because the ratio is a prime number: 13981333 = 754991982 / (7 + 5 + 4 + 9 + 9 + 1 + 9 + 8 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (754991989) 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, 6990613 + ... + 6990720.

It is an arithmetic number, because the mean of its divisors is an integer number (104860005).

Almost surely, 2^754991982 is an apocalyptic number.

754991982 is an abundant number, since it is smaller than the sum of its proper divisors (922768098).

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

754991982 is a wasteful number, since it uses less digits than its factorization.

754991982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13981344 (or 13981338 counting only the distinct ones).

The product of its digits is 1632960, while the sum is 54.

The square root of 754991982 is about 27477.1174252322. The cubic root of 754991982 is about 910.5716257173.

The spelling of 754991982 in words is "seven hundred fifty-four million, nine hundred ninety-one thousand, nine hundred eighty-two".