7269681 has 4 divisors (see below), whose sum is σ = 9692912. Its totient is φ = 4846452.

The previous prime is 7269671. The next prime is 7269683. The reversal of 7269681 is 1869627.

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: 1869627 = 3 ⋅623209.

It is not a de Polignac number, because 7269681 - 2²² = 3075377 is a prime.

It is a super-2 number, since 2×7269681² = 105696523683522, which contains 22 as substring.

It is a Duffinian number.

7269681 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (7269683) 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, 1211611 + ... + 1211616.

It is an arithmetic number, because the mean of its divisors is an integer number (2423228).

Almost surely, 2^7269681 is an apocalyptic number.

It is an amenable number.

7269681 is a deficient number, since it is larger than the sum of its proper divisors (2423231).

7269681 is a wasteful number, since it uses less digits than its factorization.

7269681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2423230.

The product of its digits is 36288, while the sum is 39.

The square root of 7269681 is about 2696.2345966180. The cubic root of 7269681 is about 193.7188064939.

The spelling of 7269681 in words is "seven million, two hundred sixty-nine thousand, six hundred eighty-one".