7572042 has 40 divisors (see below), whose sum is σ = 17377536. Its totient is φ = 2463048.

The previous prime is 7571989. The next prime is 7572043. The reversal of 7572042 is 2402757.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 7571997 and 7572015.

It is not an unprimeable number, because it can be changed into a prime (7572043) by changing a digit.

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 19 ways as a sum of consecutive naturals, for example, 6423 + ... + 7509.

Almost surely, 2^7572042 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7572042, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8688768).

7572042 is an abundant number, since it is smaller than the sum of its proper divisors (9805494).

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

7572042 is a wasteful number, since it uses less digits than its factorization.

7572042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1144 (or 1135 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 27.

The square root of 7572042 is about 2751.7343621796. The cubic root of 7572042 is about 196.3681301581.

Adding to 7572042 its reverse (2402757), we get a palindrome (9974799).

The spelling of 7572042 in words is "seven million, five hundred seventy-two thousand, forty-two".