99425745 has 32 divisors (see below), whose sum is σ = 177920640. Its totient is φ = 52678080.

The previous prime is 99425743. The next prime is 99425747. The reversal of 99425745 is 54752499.

99425745 is nontrivially palindromic in base 14.

It is an interprime number because it is at equal distance from previous prime (99425743) and next prime (99425747).

It is not a de Polignac number, because 99425745 - 2¹ = 99425743 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 99425745.

It is not an unprimeable number, because it can be changed into a prime (99425743) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18850 + ... + 23540.

It is an arithmetic number, because the mean of its divisors is an integer number (5560020).

Almost surely, 2^99425745 is an apocalyptic number.

It is an amenable number.

99425745 is a deficient number, since it is larger than the sum of its proper divisors (78494895).

99425745 is a wasteful number, since it uses less digits than its factorization.

99425745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4862 (or 4856 counting only the distinct ones).

The product of its digits is 453600, while the sum is 45.

The square root of 99425745 is about 9971.2459101157. The cubic root of 99425745 is about 463.2686919925.

The spelling of 99425745 in words is "ninety-nine million, four hundred twenty-five thousand, seven hundred forty-five".