8072261 has 8 divisors (see below), whose sum is σ = 8299104. Its totient is φ = 7847280.

The previous prime is 8072257. The next prime is 8072269. The reversal of 8072261 is 1622708.

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 8072261 - 2² = 8072257 is a prime.

It is a super-2 number, since 2×8072261² = 130322795304242, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 8072261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8072269) 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, 14651 + ... + 15191.

It is an arithmetic number, because the mean of its divisors is an integer number (1037388).

Almost surely, 2^8072261 is an apocalyptic number.

It is an amenable number.

8072261 is a deficient number, since it is larger than the sum of its proper divisors (226843).

8072261 is a wasteful number, since it uses less digits than its factorization.

8072261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 931.

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 8072261 is about 2841.1724692458. The cubic root of 8072261 is about 200.6003709702.

Adding to 8072261 its reverse (1622708), we get a palindrome (9694969).

The spelling of 8072261 in words is "eight million, seventy-two thousand, two hundred sixty-one".