73446981 has 16 divisors (see below), whose sum is σ = 102453120. Its totient is φ = 46713920.

The previous prime is 73446973. The next prime is 73446991. The reversal of 73446981 is 18964437.

It is not a de Polignac number, because 73446981 - 2³ = 73446973 is a prime.

It is a super-2 number, since 2×73446981² = 10788918036028722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73446911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30655 + ... + 32963.

It is an arithmetic number, because the mean of its divisors is an integer number (6403320).

Almost surely, 2^73446981 is an apocalyptic number.

It is an amenable number.

73446981 is a deficient number, since it is larger than the sum of its proper divisors (29006139).

73446981 is a wasteful number, since it uses less digits than its factorization.

73446981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2796.

The product of its digits is 145152, while the sum is 42.

The square root of 73446981 is about 8570.1214110420. The cubic root of 73446981 is about 418.7851914881.

The spelling of 73446981 in words is "seventy-three million, four hundred forty-six thousand, nine hundred eighty-one".