99912737 has 4 divisors (see below), whose sum is σ = 99990720. Its totient is φ = 99834756.

The previous prime is 99912733. The next prime is 99912797. The reversal of 99912737 is 73721999.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 99912737 - 2² = 99912733 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 99912691 and 99912700.

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 in 3 ways as a sum of consecutive naturals, for example, 37037 + ... + 39642.

It is an arithmetic number, because the mean of its divisors is an integer number (24997680).

Almost surely, 2^99912737 is an apocalyptic number.

It is an amenable number.

99912737 is a deficient number, since it is larger than the sum of its proper divisors (77983).

99912737 is a wasteful number, since it uses less digits than its factorization.

99912737 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77982.

The product of its digits is 214326, while the sum is 47.

The square root of 99912737 is about 9995.6358977306. The cubic root of 99912737 is about 464.0238310813.

The spelling of 99912737 in words is "ninety-nine million, nine hundred twelve thousand, seven hundred thirty-seven".