73918481 has 16 divisors (see below), whose sum is σ = 94934784. Its totient is φ = 55940544.

The previous prime is 73918463. The next prime is 73918501. The reversal of 73918481 is 18481937.

It is a cyclic number.

It is not a de Polignac number, because 73918481 - 2¹⁴ = 73902097 is a prime.

It is a super-2 number, since 2×73918481² = 10927883666694722, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (73918441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15566 + ... + 19751.

It is an arithmetic number, because the mean of its divisors is an integer number (5933424).

Almost surely, 2^73918481 is an apocalyptic number.

It is an amenable number.

73918481 is a deficient number, since it is larger than the sum of its proper divisors (21016303).

73918481 is a wasteful number, since it uses less digits than its factorization.

73918481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35360.

The product of its digits is 48384, while the sum is 41.

The square root of 73918481 is about 8597.5857657833. The cubic root of 73918481 is about 419.6794246874.

The spelling of 73918481 in words is "seventy-three million, nine hundred eighteen thousand, four hundred eighty-one".