73481397 has 16 divisors (see below), whose sum is σ = 107079168. Its totient is φ = 44452080.

The previous prime is 73481381. The next prime is 73481407. The reversal of 73481397 is 79318437.

It is not a de Polignac number, because 73481397 - 2⁴ = 73481381 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73481357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19488 + ... + 22950.

It is an arithmetic number, because the mean of its divisors is an integer number (6692448).

Almost surely, 2^73481397 is an apocalyptic number.

It is an amenable number.

73481397 is a deficient number, since it is larger than the sum of its proper divisors (33597771).

73481397 is a wasteful number, since it uses less digits than its factorization.

73481397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4120.

The product of its digits is 127008, while the sum is 42.

The square root of 73481397 is about 8572.1290820892. The cubic root of 73481397 is about 418.8505931349.

The spelling of 73481397 in words is "seventy-three million, four hundred eighty-one thousand, three hundred ninety-seven".