7493864 has 32 divisors (see below), whose sum is σ = 16392000. Its totient is φ = 3210480.

The previous prime is 7493851. The next prime is 7493867. The reversal of 7493864 is 4683947.

It is a nialpdrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (7493867) 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 7 ways as a sum of consecutive naturals, for example, 1379 + ... + 4109.

It is an arithmetic number, because the mean of its divisors is an integer number (512250).

Almost surely, 2^7493864 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 7493864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8196000).

7493864 is an abundant number, since it is smaller than the sum of its proper divisors (8898136).

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

7493864 is a wasteful number, since it uses less digits than its factorization.

7493864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2758 (or 2740 counting only the distinct ones).

The product of its digits is 145152, while the sum is 41.

The square root of 7493864 is about 2737.4922830941. The cubic root of 7493864 is about 195.6899860989.

The spelling of 7493864 in words is "seven million, four hundred ninety-three thousand, eight hundred sixty-four".