7672081 has 4 divisors (see below), whose sum is σ = 7777252. Its totient is φ = 7566912.

The previous prime is 7672073. The next prime is 7672099. The reversal of 7672081 is 1802767.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1802767 = 631 ⋅2857.

It can be written as a sum of positive squares in 2 ways, for example, as 6548481 + 1123600 = 2559^2 + 1060^2 .

It is a cyclic number.

It is not a de Polignac number, because 7672081 - 2³ = 7672073 is a prime.

It is a super-2 number, since 2×7672081² = 117721653741122, which contains 22 as substring.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (7672981) 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, 52476 + ... + 52621.

It is an arithmetic number, because the mean of its divisors is an integer number (1944313).

Almost surely, 2^7672081 is an apocalyptic number.

It is an amenable number.

7672081 is a deficient number, since it is larger than the sum of its proper divisors (105171).

7672081 is a wasteful number, since it uses less digits than its factorization.

7672081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105170.

The product of its (nonzero) digits is 4704, while the sum is 31.

The square root of 7672081 is about 2769.8521621198. The cubic root of 7672081 is about 197.2291303567.

The spelling of 7672081 in words is "seven million, six hundred seventy-two thousand, eighty-one".