5372721 has 12 divisors (see below), whose sum is σ = 7941648. Its totient is φ = 3498264.

The previous prime is 5372699. The next prime is 5372723. The reversal of 5372721 is 1272735.

It is not a de Polignac number, because 5372721 - 2⁶ = 5372657 is a prime.

It is a super-2 number, since 2×5372721² = 57732261887682, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5372723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6555 + ... + 7328.

It is an arithmetic number, because the mean of its divisors is an integer number (661804).

Almost surely, 2^5372721 is an apocalyptic number.

It is an amenable number.

5372721 is a deficient number, since it is larger than the sum of its proper divisors (2568927).

5372721 is a wasteful number, since it uses less digits than its factorization.

5372721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13932 (or 13929 counting only the distinct ones).

The product of its digits is 2940, while the sum is 27.

The square root of 5372721 is about 2317.9130699834. The cubic root of 5372721 is about 175.1451421732.

The spelling of 5372721 in words is "five million, three hundred seventy-two thousand, seven hundred twenty-one".