7522788 has 72 divisors (see below), whose sum is σ = 21867328. Its totient is φ = 1960128.

The previous prime is 7522787. The next prime is 7522793. The reversal of 7522788 is 8872257.

7522788 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (7522787) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 90595 + ... + 90677.

Almost surely, 2^7522788 is an apocalyptic number.

7522788 is a gapful number since it is divisible by the number (78) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7522788, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10933664).

7522788 is an abundant number, since it is smaller than the sum of its proper divisors (14344540).

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

7522788 is a wasteful number, since it uses less digits than its factorization.

7522788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193 (or 108 counting only the distinct ones).

The product of its digits is 62720, while the sum is 39.

The square root of 7522788 is about 2742.7701325485. The cubic root of 7522788 is about 195.9414305076.

The spelling of 7522788 in words is "seven million, five hundred twenty-two thousand, seven hundred eighty-eight".