4540972 has 24 divisors (see below), whose sum is σ = 8615376. Its totient is φ = 2085888.

The previous prime is 4540969. The next prime is 4540979. The reversal of 4540972 is 2790454.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (4540979) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2148 + ... + 3700.

It is an arithmetic number, because the mean of its divisors is an integer number (358974).

Almost surely, 2^4540972 is an apocalyptic number.

It is an amenable number.

4540972 is a deficient number, since it is larger than the sum of its proper divisors (4074404).

4540972 is a wasteful number, since it uses less digits than its factorization.

4540972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1617 (or 1615 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 4540972 is about 2130.9556541608. The cubic root of 4540972 is about 165.5959107332.

The spelling of 4540972 in words is "four million, five hundred forty thousand, nine hundred seventy-two".