99480731 has 12 divisors (see below), whose sum is σ = 116425008. Its totient is φ = 84751632.

The previous prime is 99480721. The next prime is 99480739. The reversal of 99480731 is 13708499.

It is a happy number.

It is not a de Polignac number, because 99480731 - 2²² = 95286427 is a prime.

It is a super-2 number, since 2×99480731² = 19792831680588722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (99480739) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2105 + ... + 14261.

It is an arithmetic number, because the mean of its divisors is an integer number (9702084).

Almost surely, 2^99480731 is an apocalyptic number.

99480731 is a deficient number, since it is larger than the sum of its proper divisors (16944277).

99480731 is a wasteful number, since it uses less digits than its factorization.

99480731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12338 (or 12331 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 41.

The square root of 99480731 is about 9974.0027571683. The cubic root of 99480731 is about 463.3540776501.

The spelling of 99480731 in words is "ninety-nine million, four hundred eighty thousand, seven hundred thirty-one".