73979511 has 8 divisors (see below), whose sum is σ = 98882160. Its totient is φ = 49198272.

The previous prime is 73979509. The next prime is 73979513. The reversal of 73979511 is 11597937.

It is an interprime number because it is at equal distance from previous prime (73979509) and next prime (73979513).

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

It is not a de Polignac number, because 73979511 - 2¹ = 73979509 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73979513) 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, 28920 + ... + 31373.

It is an arithmetic number, because the mean of its divisors is an integer number (12360270).

Almost surely, 2^73979511 is an apocalyptic number.

73979511 is a deficient number, since it is larger than the sum of its proper divisors (24902649).

73979511 is a wasteful number, since it uses less digits than its factorization.

73979511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60705.

The product of its digits is 59535, while the sum is 42.

The square root of 73979511 is about 8601.1342856626. The cubic root of 73979511 is about 419.7948941845.

The spelling of 73979511 in words is "seventy-three million, nine hundred seventy-nine thousand, five hundred eleven".