99073651 has 4 divisors (see below), whose sum is σ = 99119152. Its totient is φ = 99028152.

The previous prime is 99073633. The next prime is 99073661. The reversal of 99073651 is 15637099.

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 99073651 - 2⁷ = 99073523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99073631) 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, 19311 + ... + 23896.

It is an arithmetic number, because the mean of its divisors is an integer number (24779788).

Almost surely, 2^99073651 is an apocalyptic number.

99073651 is a deficient number, since it is larger than the sum of its proper divisors (45501).

99073651 is a wasteful number, since it uses less digits than its factorization.

99073651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45500.

The product of its (nonzero) digits is 51030, while the sum is 40.

The square root of 99073651 is about 9953.5747849705. The cubic root of 99073651 is about 462.7211911060.

The spelling of 99073651 in words is "ninety-nine million, seventy-three thousand, six hundred fifty-one".