99915274 has 4 divisors (see below), whose sum is σ = 149872914. Its totient is φ = 49957636.

The previous prime is 99915259. The next prime is 99915287. The reversal of 99915274 is 47251999.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 99860049 + 55225 = 9993^2 + 235^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24978817 + ... + 24978820.

Almost surely, 2^99915274 is an apocalyptic number.

99915274 is a deficient number, since it is larger than the sum of its proper divisors (49957640).

99915274 is a wasteful number, since it uses less digits than its factorization.

99915274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49957639.

The product of its digits is 204120, while the sum is 46.

The square root of 99915274 is about 9995.7628023078. The cubic root of 99915274 is about 464.0277585702.

The spelling of 99915274 in words is "ninety-nine million, nine hundred fifteen thousand, two hundred seventy-four".