7442748 has 36 divisors (see below), whose sum is σ = 19059040. Its totient is φ = 2448576.

The previous prime is 7442681. The next prime is 7442749. The reversal of 7442748 is 8472447.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7442749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1536 + ... + 4152.

Almost surely, 2^7442748 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 7442748, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9529520).

7442748 is an abundant number, since it is smaller than the sum of its proper divisors (11616292).

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

7442748 is a wasteful number, since it uses less digits than its factorization.

7442748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2706 (or 2701 counting only the distinct ones).

The product of its digits is 50176, while the sum is 36.

The square root of 7442748 is about 2728.1400257318. The cubic root of 7442748 is about 195.2440337259.

The spelling of 7442748 in words is "seven million, four hundred forty-two thousand, seven hundred forty-eight".