99620673 has 8 divisors (see below), whose sum is σ = 134117568. Its totient is φ = 65768784.

The previous prime is 99620669. The next prime is 99620681. The reversal of 99620673 is 37602699.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 99620673 - 2² = 99620669 is a prime.

It is not an unprimeable number, because it can be changed into a prime (99620623) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 160890 + ... + 161507.

It is an arithmetic number, because the mean of its divisors is an integer number (16764696).

Almost surely, 2^99620673 is an apocalyptic number.

It is an amenable number.

99620673 is a deficient number, since it is larger than the sum of its proper divisors (34496895).

99620673 is a wasteful number, since it uses less digits than its factorization.

99620673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322503.

The product of its (nonzero) digits is 122472, while the sum is 42.

The square root of 99620673 is about 9981.0156296842. The cubic root of 99620673 is about 463.5712463894.

The spelling of 99620673 in words is "ninety-nine million, six hundred twenty thousand, six hundred seventy-three".