7445772 has 18 divisors (see below), whose sum is σ = 18821348. Its totient is φ = 2481912.

The previous prime is 7445771. The next prime is 7445773. The reversal of 7445772 is 2775447.

It is a happy number.

7445772 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (7445771) and next prime (7445773).

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 206827 = 7445772 / (7 + 4 + 4 + 5 + 7 + 7 + 2).

It is not an unprimeable number, because it can be changed into a prime (7445771) 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 5 ways as a sum of consecutive naturals, for example, 103378 + ... + 103449.

Almost surely, 2^7445772 is an apocalyptic number.

It is an amenable number.

7445772 is an abundant number, since it is smaller than the sum of its proper divisors (11375576).

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

7445772 is a wasteful number, since it uses less digits than its factorization.

7445772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206837 (or 206832 counting only the distinct ones).

The product of its digits is 54880, while the sum is 36.

The square root of 7445772 is about 2728.6941931994. The cubic root of 7445772 is about 195.2704727962.

It can be divided in two parts, 74457 and 72, that added together give a square (74529 = 273²).

The spelling of 7445772 in words is "seven million, four hundred forty-five thousand, seven hundred seventy-two".