99973013 has 8 divisors (see below), whose sum is σ = 114470400. Its totient is φ = 85529520.

The previous prime is 99973009. The next prime is 99973037. The reversal of 99973013 is 31037999.

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

It is a cyclic number.

It is not a de Polignac number, because 99973013 - 2² = 99973009 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99973513) 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, 9413 + ... + 16986.

It is an arithmetic number, because the mean of its divisors is an integer number (14308800).

Almost surely, 2^99973013 is an apocalyptic number.

It is an amenable number.

99973013 is a deficient number, since it is larger than the sum of its proper divisors (14497387).

99973013 is a wasteful number, since it uses less digits than its factorization.

99973013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26947.

The product of its (nonzero) digits is 45927, while the sum is 41.

The square root of 99973013 is about 9998.6505589504. The cubic root of 99973013 is about 464.1171254187.

The spelling of 99973013 in words is "ninety-nine million, nine hundred seventy-three thousand, thirteen".