99747794 has 8 divisors (see below), whose sum is σ = 149946240. Its totient is φ = 49765716.

The previous prime is 99747787. The next prime is 99747799. The reversal of 99747794 is 49774799.

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

It is not an unprimeable number, because it can be changed into a prime (99747799) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52934 + ... + 54785.

It is an arithmetic number, because the mean of its divisors is an integer number (18743280).

Almost surely, 2^99747794 is an apocalyptic number.

99747794 is a deficient number, since it is larger than the sum of its proper divisors (50198446).

99747794 is a wasteful number, since it uses less digits than its factorization.

99747794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108184.

The product of its digits is 4000752, while the sum is 56.

The square root of 99747794 is about 9987.3817389744. The cubic root of 99747794 is about 463.7683426702.

The spelling of 99747794 in words is "ninety-nine million, seven hundred forty-seven thousand, seven hundred ninety-four".