7372891 has 4 divisors (see below), whose sum is σ = 7384000. Its totient is φ = 7361784.

The previous prime is 7372867. The next prime is 7372919. The reversal of 7372891 is 1982737.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1982737 = 739 ⋅2683.

It is a cyclic number.

It is not a de Polignac number, because 7372891 - 2¹³ = 7364699 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7372891.

It is not an unprimeable number, because it can be changed into a prime (7372861) 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, 4491 + ... + 5908.

It is an arithmetic number, because the mean of its divisors is an integer number (1846000).

Almost surely, 2^7372891 is an apocalyptic number.

7372891 is a deficient number, since it is larger than the sum of its proper divisors (11109).

7372891 is a wasteful number, since it uses less digits than its factorization.

7372891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11108.

The product of its digits is 21168, while the sum is 37.

The square root of 7372891 is about 2715.3067966622. The cubic root of 7372891 is about 194.6312646079.

The spelling of 7372891 in words is "seven million, three hundred seventy-two thousand, eight hundred ninety-one".