99912734 has 4 divisors (see below), whose sum is σ = 149869104. Its totient is φ = 49956366.

The previous prime is 99912733. The next prime is 99912797. The reversal of 99912734 is 43721999.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99912731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24978182 + ... + 24978185.

It is an arithmetic number, because the mean of its divisors is an integer number (37467276).

Almost surely, 2^99912734 is an apocalyptic number.

99912734 is a deficient number, since it is larger than the sum of its proper divisors (49956370).

99912734 is a wasteful number, since it uses less digits than its factorization.

99912734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49956369.

The product of its digits is 122472, while the sum is 44.

The square root of 99912734 is about 9995.6357476651. The cubic root of 99912734 is about 464.0238264370.

The spelling of 99912734 in words is "ninety-nine million, nine hundred twelve thousand, seven hundred thirty-four".