73813481 has 8 divisors (see below), whose sum is σ = 84918144. Its totient is φ = 62848800.

The previous prime is 73813469. The next prime is 73813501. The reversal of 73813481 is 18431837.

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

It is not a de Polignac number, because 73813481 - 2²² = 69619177 is a prime.

It is a super-2 number, since 2×73813481² = 10896859954674722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73813451) 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, 33860 + ... + 35973.

It is an arithmetic number, because the mean of its divisors is an integer number (10614768).

Almost surely, 2^73813481 is an apocalyptic number.

It is an amenable number.

73813481 is a deficient number, since it is larger than the sum of its proper divisors (11104663).

73813481 is a wasteful number, since it uses less digits than its factorization.

73813481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69991.

The product of its digits is 16128, while the sum is 35.

The square root of 73813481 is about 8591.4772303720. The cubic root of 73813481 is about 419.4806145899.

The spelling of 73813481 in words is "seventy-three million, eight hundred thirteen thousand, four hundred eighty-one".