73253331 has 12 divisors (see below), whose sum is σ = 105914952. Its totient is φ = 48787296.

The previous prime is 73253329. The next prime is 73253339. The reversal of 73253331 is 13335237.

73253331 is a `hidden beast` number, since 7 + 325 + 3 + 331 = 666.

It is not a de Polignac number, because 73253331 - 2¹ = 73253329 is a prime.

It is a super-2 number, since 2×73253331² = 10732101005191122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 73253295 and 73253304.

It is not an unprimeable number, because it can be changed into a prime (73253339) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7255 + ... + 14111.

It is an arithmetic number, because the mean of its divisors is an integer number (8826246).

Almost surely, 2^73253331 is an apocalyptic number.

73253331 is a deficient number, since it is larger than the sum of its proper divisors (32661621).

73253331 is a wasteful number, since it uses less digits than its factorization.

73253331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8050 (or 8047 counting only the distinct ones).

The product of its digits is 5670, while the sum is 27.

The square root of 73253331 is about 8558.8159811974. The cubic root of 73253331 is about 418.4168117862.

Adding to 73253331 its reverse (13335237), we get a palindrome (86588568).

The spelling of 73253331 in words is "seventy-three million, two hundred fifty-three thousand, three hundred thirty-one".