75652681 has 12 divisors (see below), whose sum is σ = 85485888. Its totient is φ = 66793584.

The previous prime is 75652673. The next prime is 75652693. The reversal of 75652681 is 18625657.

It is not a de Polignac number, because 75652681 - 2³ = 75652673 is a prime.

It is a super-2 number, since 2×75652681² = 11446656284975522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75652481) 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 11 ways as a sum of consecutive naturals, for example, 5845 + ... + 13618.

It is an arithmetic number, because the mean of its divisors is an integer number (7123824).

Almost surely, 2^75652681 is an apocalyptic number.

It is an amenable number.

75652681 is a deficient number, since it is larger than the sum of its proper divisors (9833207).

75652681 is a wasteful number, since it uses less digits than its factorization.

75652681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19512 (or 19499 counting only the distinct ones).

The product of its digits is 100800, while the sum is 40.

The square root of 75652681 is about 8697.8549654498. The cubic root of 75652681 is about 422.9361177181.

The spelling of 75652681 in words is "seventy-five million, six hundred fifty-two thousand, six hundred eighty-one".