73899079 has 4 divisors (see below), whose sum is σ = 73926160. Its totient is φ = 73872000.

The previous prime is 73899053. The next prime is 73899109. The reversal of 73899079 is 97099837.

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 73899079 - 2⁹ = 73898567 is a prime.

It is a super-2 number, since 2×73899079² = 10922147754096482, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73899029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8922 + ... + 15079.

It is an arithmetic number, because the mean of its divisors is an integer number (18481540).

Almost surely, 2^73899079 is an apocalyptic number.

73899079 is a deficient number, since it is larger than the sum of its proper divisors (27081).

73899079 is a wasteful number, since it uses less digits than its factorization.

73899079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27080.

The product of its (nonzero) digits is 857304, while the sum is 52.

The square root of 73899079 is about 8596.4573517234. The cubic root of 73899079 is about 419.6427025551.

The spelling of 73899079 in words is "seventy-three million, eight hundred ninety-nine thousand, seventy-nine".