73734881 has 8 divisors (see below), whose sum is σ = 80504064. Its totient is φ = 66976720.

The previous prime is 73734863. The next prime is 73734883. The reversal of 73734881 is 18843737.

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

It is a cyclic number.

It is not a de Polignac number, because 73734881 - 2²² = 69540577 is a prime.

It is a super-2 number, since 2×73734881² = 10873665352168322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73734883) 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, 18215 + ... + 21891.

It is an arithmetic number, because the mean of its divisors is an integer number (10063008).

Almost surely, 2^73734881 is an apocalyptic number.

It is an amenable number.

73734881 is a deficient number, since it is larger than the sum of its proper divisors (6769183).

73734881 is a wasteful number, since it uses less digits than its factorization.

73734881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5511.

The product of its digits is 112896, while the sum is 41.

The square root of 73734881 is about 8586.9017113275. The cubic root of 73734881 is about 419.3316676051.

The spelling of 73734881 in words is "seventy-three million, seven hundred thirty-four thousand, eight hundred eighty-one".