73073331 has 6 divisors (see below), whose sum is σ = 105550380. Its totient is φ = 48715548.

The previous prime is 73073317. The next prime is 73073339. The reversal of 73073331 is 13337037.

It is not a de Polignac number, because 73073331 - 2⁹ = 73072819 is a prime.

It is a super-2 number, since 2×73073331² = 10679423406871122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 73073295 and 73073304.

It is not an unprimeable number, because it can be changed into a prime (73073339) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4059621 + ... + 4059638.

It is an arithmetic number, because the mean of its divisors is an integer number (17591730).

Almost surely, 2^73073331 is an apocalyptic number.

73073331 is a deficient number, since it is larger than the sum of its proper divisors (32477049).

73073331 is a wasteful number, since it uses less digits than its factorization.

73073331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8119265 (or 8119262 counting only the distinct ones).

The product of its (nonzero) digits is 3969, while the sum is 27.

The square root of 73073331 is about 8548.2940403334. The cubic root of 73073331 is about 418.0738157834.

The spelling of 73073331 in words is "seventy-three million, seventy-three thousand, three hundred thirty-one".