99732471 has 4 divisors (see below), whose sum is σ = 132976632. Its totient is φ = 66488312.

The previous prime is 99732461. The next prime is 99732491. The reversal of 99732471 is 17423799.

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 99732471 - 2⁶ = 99732407 is a prime.

It is a super-3 number, since 3×99732471³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99732431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16622076 + ... + 16622081.

It is an arithmetic number, because the mean of its divisors is an integer number (33244158).

Almost surely, 2^99732471 is an apocalyptic number.

99732471 is a deficient number, since it is larger than the sum of its proper divisors (33244161).

99732471 is a wasteful number, since it uses less digits than its factorization.

99732471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33244160.

The product of its digits is 95256, while the sum is 42.

The square root of 99732471 is about 9986.6145915420. The cubic root of 99732471 is about 463.7445938201.

The spelling of 99732471 in words is "ninety-nine million, seven hundred thirty-two thousand, four hundred seventy-one".