73179121 has 2 divisors, whose sum is σ = 73179122. Its totient is φ = 73179120.

The previous prime is 73179109. The next prime is 73179149. The reversal of 73179121 is 12197137.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 65028096 + 8151025 = 8064^2 + 2855^2 .

It is a cyclic number.

It is not a de Polignac number, because 73179121 - 2⁷ = 73178993 is a prime.

It is not a weakly prime, because it can be changed into another prime (73179181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36589560 + 36589561.

It is an arithmetic number, because the mean of its divisors is an integer number (36589561).

Almost surely, 2^73179121 is an apocalyptic number.

It is an amenable number.

73179121 is a deficient number, since it is larger than the sum of its proper divisors (1).

73179121 is an equidigital number, since it uses as much as digits as its factorization.

73179121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2646, while the sum is 31.

The square root of 73179121 is about 8554.4795867428. The cubic root of 73179121 is about 418.2754703050.

The spelling of 73179121 in words is "seventy-three million, one hundred seventy-nine thousand, one hundred twenty-one".