7952661 has 14 divisors (see below), whose sum is σ = 11924630. Its totient is φ = 5301288.

The previous prime is 7952657. The next prime is 7952677. The reversal of 7952661 is 1662597.

7952661 is a `hidden beast` number, since 79 + 526 + 61 = 666.

It can be written as a sum of positive squares in only one way, i.e., 5904900 + 2047761 = 2430^2 + 1431^2 .

It is not a de Polignac number, because 7952661 - 2² = 7952657 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7952611) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 4726 + ... + 6183.

Almost surely, 2^7952661 is an apocalyptic number.

It is an amenable number.

7952661 is a deficient number, since it is larger than the sum of its proper divisors (3971969).

7952661 is an equidigital number, since it uses as much as digits as its factorization.

7952661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10927 (or 10912 counting only the distinct ones).

The product of its digits is 22680, while the sum is 36.

The square root of 7952661 is about 2820.0462762160. The cubic root of 7952661 is about 199.6047276468.

Subtracting from 7952661 its reverse (1662597), we obtain a square (6290064 = 2508²).

The spelling of 7952661 in words is "seven million, nine hundred fifty-two thousand, six hundred sixty-one".