743489253 has 32 divisors (see below), whose sum is σ = 1191415680. Its totient is φ = 455518080.

The previous prime is 743489251. The next prime is 743489261. The reversal of 743489253 is 352984347.

It is not a de Polignac number, because 743489253 - 2¹ = 743489251 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 743489199 and 743489208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (743489251) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 77238 + ... + 86328.

It is an arithmetic number, because the mean of its divisors is an integer number (37231740).

Almost surely, 2^743489253 is an apocalyptic number.

It is an amenable number.

743489253 is a deficient number, since it is larger than the sum of its proper divisors (447926427).

743489253 is a wasteful number, since it uses less digits than its factorization.

743489253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9346 (or 9340 counting only the distinct ones).

The product of its digits is 725760, while the sum is 45.

The square root of 743489253 is about 27266.9993398614. Note that the first 3 decimals coincide. The cubic root of 743489253 is about 905.9235824323.

The spelling of 743489253 in words is "seven hundred forty-three million, four hundred eighty-nine thousand, two hundred fifty-three".