99000742 has 4 divisors (see below), whose sum is σ = 148501116. Its totient is φ = 49500370.

The previous prime is 99000739. The next prime is 99000791. The reversal of 99000742 is 24700099.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24700099 = 17 ⋅1452947.

It is a super-2 number, since 2×99000742² = 19602293833101128, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24750184 + ... + 24750187.

It is an arithmetic number, because the mean of its divisors is an integer number (37125279).

Almost surely, 2^99000742 is an apocalyptic number.

99000742 is a deficient number, since it is larger than the sum of its proper divisors (49500374).

99000742 is a wasteful number, since it uses less digits than its factorization.

99000742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49500373.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 99000742 is about 9949.9116578993. The cubic root of 99000742 is about 462.6076566528.

The spelling of 99000742 in words is "ninety-nine million, seven hundred forty-two", and thus it is an aban number.