99507401 has 4 divisors (see below), whose sum is σ = 113722752. Its totient is φ = 85292052.

The previous prime is 99507391. The next prime is 99507431. The reversal of 99507401 is 10470599.

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, and also an emirpimes, since its reverse is a distinct semiprime: 10470599 = 761 ⋅13759.

It is a cyclic number.

It is not a de Polignac number, because 99507401 - 2¹⁰ = 99506377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99507431) 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, 7107665 + ... + 7107678.

It is an arithmetic number, because the mean of its divisors is an integer number (28430688).

Almost surely, 2^99507401 is an apocalyptic number.

It is an amenable number.

99507401 is a deficient number, since it is larger than the sum of its proper divisors (14215351).

99507401 is a wasteful number, since it uses less digits than its factorization.

99507401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14215350.

The product of its (nonzero) digits is 11340, while the sum is 35.

The square root of 99507401 is about 9975.3396433405. The cubic root of 99507401 is about 463.3954811425.

The spelling of 99507401 in words is "ninety-nine million, five hundred seven thousand, four hundred one".