7442100 has 54 divisors (see below), whose sum is σ = 23329670. Its totient is φ = 1984320.

The previous prime is 7442093. The next prime is 7442117. The reversal of 7442100 is 12447.

It is a happy number.

7442100 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 1710864 + 5731236 = 1308^2 + 2394^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a nialpdrome in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 3235 + ... + 5034.

Almost surely, 2^7442100 is an apocalyptic number.

It is an amenable number.

7442100 is an abundant number, since it is smaller than the sum of its proper divisors (15887570).

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

7442100 is a wasteful number, since it uses less digits than its factorization.

7442100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8289 (or 8279 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 18.

The square root of 7442100 is about 2728.0212609142. The cubic root of 7442100 is about 195.2383672791.

Adding to 7442100 its reverse (12447), we get a palindrome (7454547).

The spelling of 7442100 in words is "seven million, four hundred forty-two thousand, one hundred".