7612681 has 4 divisors (see below), whose sum is σ = 7633792. Its totient is φ = 7591572.

The previous prime is 7612663. The next prime is 7612723. The reversal of 7612681 is 1862167.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1862167 = 761 ⋅2447.

It is a cyclic number.

It is not a de Polignac number, because 7612681 - 2⁹ = 7612169 is a prime.

It is a super-2 number, since 2×7612681² = 115905824015522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7612601) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10005 + ... + 10738.

It is an arithmetic number, because the mean of its divisors is an integer number (1908448).

Almost surely, 2^7612681 is an apocalyptic number.

It is an amenable number.

7612681 is a deficient number, since it is larger than the sum of its proper divisors (21111).

7612681 is a wasteful number, since it uses less digits than its factorization.

7612681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21110.

The product of its digits is 4032, while the sum is 31.

The square root of 7612681 is about 2759.1087329063. The cubic root of 7612681 is about 196.7188048429.

The spelling of 7612681 in words is "seven million, six hundred twelve thousand, six hundred eighty-one".