99748507 has 4 divisors (see below), whose sum is σ = 100184320. Its totient is φ = 99312696.

The previous prime is 99748489. The next prime is 99748511. The reversal of 99748507 is 70584799.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 99748507 - 2¹¹ = 99746459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99740507) 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, 217563 + ... + 218020.

It is an arithmetic number, because the mean of its divisors is an integer number (25046080).

Almost surely, 2^99748507 is an apocalyptic number.

99748507 is a deficient number, since it is larger than the sum of its proper divisors (435813).

99748507 is a wasteful number, since it uses less digits than its factorization.

99748507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 435812.

The product of its (nonzero) digits is 635040, while the sum is 49.

The square root of 99748507 is about 9987.4174339516. The cubic root of 99748507 is about 463.7694476773.

It can be divided in two parts, 9974 and 8507, that added together give a palindrome (18481).

The spelling of 99748507 in words is "ninety-nine million, seven hundred forty-eight thousand, five hundred seven".