7372661 has 4 divisors (see below), whose sum is σ = 7552524. Its totient is φ = 7192800.

The previous prime is 7372649. The next prime is 7372667. The reversal of 7372661 is 1662737.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 184900 + 7187761 = 430^2 + 2681^2 .

It is a cyclic number.

It is not a de Polignac number, because 7372661 - 2¹⁴ = 7356277 is a prime.

It is a super-2 number, since 2×7372661² = 108712260441842, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7372667) 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, 89870 + ... + 89951.

It is an arithmetic number, because the mean of its divisors is an integer number (1888131).

Almost surely, 2^7372661 is an apocalyptic number.

It is an amenable number.

7372661 is a deficient number, since it is larger than the sum of its proper divisors (179863).

7372661 is a wasteful number, since it uses less digits than its factorization.

7372661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179862.

The product of its digits is 10584, while the sum is 32.

The square root of 7372661 is about 2715.2644438434. The cubic root of 7372661 is about 194.6292407227.

The spelling of 7372661 in words is "seven million, three hundred seventy-two thousand, six hundred sixty-one".