7493893 has 6 divisors (see below), whose sum is σ = 8237222. Its totient is φ = 6812520.

The previous prime is 7493891. The next prime is 7493903. The reversal of 7493893 is 3983947.

7493893 is digitally balanced in base 3, 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 only one way, i.e., 6235009 + 1258884 = 2497^2 + 1122^2 .

It is not a de Polignac number, because 7493893 - 2¹ = 7493891 is a prime.

It is a Duffinian number.

7493893 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7493891) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 30846 + ... + 31087.

Almost surely, 2^7493893 is an apocalyptic number.

It is an amenable number.

7493893 is a deficient number, since it is larger than the sum of its proper divisors (743329).

7493893 is a wasteful number, since it uses less digits than its factorization.

7493893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61955 (or 61944 counting only the distinct ones).

The product of its digits is 163296, while the sum is 43.

The square root of 7493893 is about 2737.4975799076. The cubic root of 7493893 is about 195.6902385278.

The spelling of 7493893 in words is "seven million, four hundred ninety-three thousand, eight hundred ninety-three".