73652681 has 8 divisors (see below), whose sum is σ = 76885704. Its totient is φ = 70485120.

The previous prime is 73652659. The next prime is 73652699. The reversal of 73652681 is 18625637.

It can be written as a sum of positive squares in 4 ways, for example, as 12187081 + 61465600 = 3491^2 + 7840^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 73652681 - 2⁶ = 73652617 is a prime.

It is a super-2 number, since 2×73652681² = 10849434836975522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (73652641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14060 + ... + 18573.

It is an arithmetic number, because the mean of its divisors is an integer number (9610713).

Almost surely, 2^73652681 is an apocalyptic number.

It is an amenable number.

73652681 is a deficient number, since it is larger than the sum of its proper divisors (3233023).

73652681 is a wasteful number, since it uses less digits than its factorization.

73652681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32731.

The product of its digits is 60480, while the sum is 38.

The square root of 73652681 is about 8582.1140169541. The cubic root of 73652681 is about 419.1757853446.

The spelling of 73652681 in words is "seventy-three million, six hundred fifty-two thousand, six hundred eighty-one".