73101681 has 24 divisors (see below), whose sum is σ = 108141696. Its totient is φ = 47567520.

The previous prime is 73101661. The next prime is 73101701. The reversal of 73101681 is 18610137.

It is an interprime number because it is at equal distance from previous prime (73101661) and next prime (73101701).

It is not a de Polignac number, because 73101681 - 2¹⁴ = 73085297 is a prime.

It is a super-2 number, since 2×73101681² = 10687711530051522, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (73101641) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 157656 + ... + 158118.

It is an arithmetic number, because the mean of its divisors is an integer number (4505904).

Almost surely, 2^73101681 is an apocalyptic number.

It is an amenable number.

73101681 is a deficient number, since it is larger than the sum of its proper divisors (35040015).

73101681 is a wasteful number, since it uses less digits than its factorization.

73101681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 853 (or 850 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 27.

The square root of 73101681 is about 8549.9521051290. The cubic root of 73101681 is about 418.1278749962.

The spelling of 73101681 in words is "seventy-three million, one hundred one thousand, six hundred eighty-one".