7392661 has 4 divisors (see below), whose sum is σ = 7468972. Its totient is φ = 7316352.

The previous prime is 7392647. The next prime is 7392701. The reversal of 7392661 is 1662937.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1662937 = 19 ⋅87523.

It can be written as a sum of positive squares in 2 ways, for example, as 4040100 + 3352561 = 2010^2 + 1831^2 .

It is a cyclic number.

It is not a de Polignac number, because 7392661 - 2⁵ = 7392629 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 (7392611) 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, 38010 + ... + 38203.

It is an arithmetic number, because the mean of its divisors is an integer number (1867243).

Almost surely, 2^7392661 is an apocalyptic number.

It is an amenable number.

7392661 is a deficient number, since it is larger than the sum of its proper divisors (76311).

7392661 is an equidigital number, since it uses as much as digits as its factorization.

7392661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76310.

The product of its digits is 13608, while the sum is 34.

The square root of 7392661 is about 2718.9448320994. The cubic root of 7392661 is about 194.8050736760.

The spelling of 7392661 in words is "seven million, three hundred ninety-two thousand, six hundred sixty-one".