99472774 has 8 divisors (see below), whose sum is σ = 152383968. Its totient is φ = 48678120.

The previous prime is 99472757. The next prime is 99472783. The reversal of 99472774 is 47727499.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 529017 + ... + 529204.

It is an arithmetic number, because the mean of its divisors is an integer number (19047996).

Almost surely, 2^99472774 is an apocalyptic number.

99472774 is a gapful number since it is divisible by the number (94) formed by its first and last digit.

99472774 is a deficient number, since it is larger than the sum of its proper divisors (52911194).

99472774 is a wasteful number, since it uses less digits than its factorization.

99472774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1058270.

The product of its digits is 889056, while the sum is 49.

The square root of 99472774 is about 9973.6038621955. The cubic root of 99472774 is about 463.3417234764.

It can be divided in two parts, 9947 and 2774, that added together give a palindrome (12721).

The spelling of 99472774 in words is "ninety-nine million, four hundred seventy-two thousand, seven hundred seventy-four".