73450881 has 48 divisors (see below), whose sum is σ = 130166400. Its totient is φ = 40497408.

The previous prime is 73450843. The next prime is 73450901. The reversal of 73450881 is 18805437.

73450881 is a `hidden beast` number, since 73 + 4 + 508 + 81 = 666.

It is not a de Polignac number, because 73450881 - 2¹¹ = 73448833 is a prime.

It is a super-2 number, since 2×73450881² = 10790063839352322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (73450841) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 48585 + ... + 50073.

It is an arithmetic number, because the mean of its divisors is an integer number (2711800).

Almost surely, 2^73450881 is an apocalyptic number.

It is an amenable number.

73450881 is a deficient number, since it is larger than the sum of its proper divisors (56715519).

73450881 is a wasteful number, since it uses less digits than its factorization.

73450881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1540 (or 1528 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The square root of 73450881 is about 8570.3489427211. The cubic root of 73450881 is about 418.7926037889.

It can be divided in two parts, 734 and 50881, that added together give a palindrome (51615).

The spelling of 73450881 in words is "seventy-three million, four hundred fifty thousand, eight hundred eighty-one".