7245992 has 48 divisors (see below), whose sum is σ = 15521940. Its totient is φ = 3151872.

The previous prime is 7245991. The next prime is 7246039. The reversal of 7245992 is 2995427.

It can be written as a sum of positive squares in 2 ways, for example, as 6482116 + 763876 = 2546^2 + 874^2 .

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a d-powerful number, because it can be written as 7⁴ + 2⁹ + 4¹¹ + 5⁹ + 9⁶ + 9⁶ + 2¹⁵ .

It is not an unprimeable number, because it can be changed into a prime (7245991) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37448 + ... + 37640.

Almost surely, 2^7245992 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7245992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7760970).

7245992 is an abundant number, since it is smaller than the sum of its proper divisors (8275948).

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

7245992 is a wasteful number, since it uses less digits than its factorization.

7245992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250 (or 227 counting only the distinct ones).

The product of its digits is 45360, while the sum is 38.

The square root of 7245992 is about 2691.8380337606. The cubic root of 7245992 is about 193.5081600006.

It can be divided in two parts, 72 and 45992, that added together give a palindrome (46064).

The spelling of 7245992 in words is "seven million, two hundred forty-five thousand, nine hundred ninety-two".