99172754 has 8 divisors (see below), whose sum is σ = 148875708. Its totient is φ = 49547520.

The previous prime is 99172753. The next prime is 99172771. The reversal of 99172754 is 45727199.

It can be written as a sum of positive squares in 2 ways, for example, as 94614529 + 4558225 = 9727^2 + 2135^2 .

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (99172753) 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, 16127 + ... + 21410.

Almost surely, 2^99172754 is an apocalyptic number.

99172754 is a deficient number, since it is larger than the sum of its proper divisors (49702954).

99172754 is a wasteful number, since it uses less digits than its factorization.

99172754 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38860.

The product of its digits is 158760, while the sum is 44.

The square root of 99172754 is about 9958.5518023456. The cubic root of 99172754 is about 462.8754257789.

The spelling of 99172754 in words is "ninety-nine million, one hundred seventy-two thousand, seven hundred fifty-four".