7488791 has 4 divisors (see below), whose sum is σ = 7600632. Its totient is φ = 7376952.

The previous prime is 7488779. The next prime is 7488797. The reversal of 7488791 is 1978847.

7488791 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1978847 = 13 ⋅152219.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7488791 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7488797) 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 3 ways as a sum of consecutive naturals, for example, 55820 + ... + 55953.

It is an arithmetic number, because the mean of its divisors is an integer number (1900158).

Almost surely, 2^7488791 is an apocalyptic number.

7488791 is a deficient number, since it is larger than the sum of its proper divisors (111841).

7488791 is a wasteful number, since it uses less digits than its factorization.

7488791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111840.

The product of its digits is 112896, while the sum is 44.

The square root of 7488791 is about 2736.5655482740. The cubic root of 7488791 is about 195.6458184352.

The spelling of 7488791 in words is "seven million, four hundred eighty-eight thousand, seven hundred ninety-one".