7572018 has 16 divisors (see below), whose sum is σ = 15171840. Its totient is φ = 2519376.

The previous prime is 7571989. The next prime is 7572043. The reversal of 7572018 is 8102757.

It is a happy number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4543 + ... + 5981.

It is an arithmetic number, because the mean of its divisors is an integer number (948240).

Almost surely, 2^7572018 is an apocalyptic number.

7572018 is an abundant number, since it is smaller than the sum of its proper divisors (7599822).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7572018 is a wasteful number, since it uses less digits than its factorization.

7572018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2321.

The product of its (nonzero) digits is 3920, while the sum is 30.

The square root of 7572018 is about 2751.7300012901. The cubic root of 7572018 is about 196.3679226914.

It can be divided in two parts, 757 and 2018, that added together give a triangular number (2775 = T₇₄).

The spelling of 7572018 in words is "seven million, five hundred seventy-two thousand, eighteen".