7490556 has 60 divisors (see below), whose sum is σ = 19955320. Its totient is φ = 2449440.

The previous prime is 7490551. The next prime is 7490573. The reversal of 7490556 is 6550947.

It is a super-2 number, since 2×7490556² = 112216858378272, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 7490556.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7490551) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 19575 + ... + 19953.

Almost surely, 2^7490556 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 7490556, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9977660).

7490556 is an abundant number, since it is smaller than the sum of its proper divisors (12464764).

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

7490556 is a wasteful number, since it uses less digits than its factorization.

7490556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 456 (or 445 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 36.

The square root of 7490556 is about 2736.8880137850. Note that the first 3 decimals coincide. The cubic root of 7490556 is about 195.6611875268.

The spelling of 7490556 in words is "seven million, four hundred ninety thousand, five hundred fifty-six".