7513422 has 48 divisors (see below), whose sum is σ = 18272640. Its totient is φ = 2017152.

The previous prime is 7513411. The next prime is 7513423. The reversal of 7513422 is 2243157.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 7513392 and 7513401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7513423) 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, 11829 + ... + 12447.

It is an arithmetic number, because the mean of its divisors is an integer number (380680).

Almost surely, 2^7513422 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7513422, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9136320).

7513422 is an abundant number, since it is smaller than the sum of its proper divisors (10759218).

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

7513422 is a wasteful number, since it uses less digits than its factorization.

7513422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 665 (or 648 counting only the distinct ones).

The product of its digits is 1680, while the sum is 24.

The square root of 7513422 is about 2741.0622028695. The cubic root of 7513422 is about 195.8600799241.

Adding to 7513422 its reverse (2243157), we get a palindrome (9756579).

The spelling of 7513422 in words is "seven million, five hundred thirteen thousand, four hundred twenty-two".