7504722 has 24 divisors (see below), whose sum is σ = 16658460. Its totient is φ = 2440320.

The previous prime is 7504711. The next prime is 7504727. The reversal of 7504722 is 2274057.

It can be written as a sum of positive squares in 2 ways, for example, as 7502121 + 2601 = 2739^2 + 51^2 .

It is a super-3 number, since 3×7504722³ (a number of 22 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7504727) 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, 4347 + ... + 5822.

Almost surely, 2^7504722 is an apocalyptic number.

7504722 is an abundant number, since it is smaller than the sum of its proper divisors (9153738).

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

7504722 is a wasteful number, since it uses less digits than its factorization.

7504722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10218 (or 10215 counting only the distinct ones).

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

The square root of 7504722 is about 2739.4747671771. The cubic root of 7504722 is about 195.7844534512.

Adding to 7504722 its reverse (2274057), we get a palindrome (9778779).

The spelling of 7504722 in words is "seven million, five hundred four thousand, seven hundred twenty-two".