73871481 has 16 divisors (see below), whose sum is σ = 103403520. Its totient is φ = 46847760.

The previous prime is 73871471. The next prime is 73871491. The reversal of 73871481 is 18417837.

It is an interprime number because it is at equal distance from previous prime (73871471) and next prime (73871491).

It is not a de Polignac number, because 73871481 - 2¹⁴ = 73855097 is a prime.

It is a super-2 number, since 2×73871481² = 10913991410266722, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (73871431) 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, 1245 + ... + 12218.

It is an arithmetic number, because the mean of its divisors is an integer number (6462720).

Almost surely, 2^73871481 is an apocalyptic number.

It is an amenable number.

73871481 is a deficient number, since it is larger than the sum of its proper divisors (29532039).

73871481 is a wasteful number, since it uses less digits than its factorization.

73871481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13556.

The product of its digits is 37632, while the sum is 39.

The square root of 73871481 is about 8594.8520057067. The cubic root of 73871481 is about 419.5904567921.

The spelling of 73871481 in words is "seventy-three million, eight hundred seventy-one thousand, four hundred eighty-one".