749286453 has 4 divisors (see below), whose sum is σ = 999048608. Its totient is φ = 499524300.

The previous prime is 749286449. The next prime is 749286457. The reversal of 749286453 is 354682947.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (749286449) and next prime (749286457).

It is not a de Polignac number, because 749286453 - 2² = 749286449 is a prime.

It is a super-2 number, since 2×749286453² = 1122860377298642418, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (749286457) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 124881073 + ... + 124881078.

It is an arithmetic number, because the mean of its divisors is an integer number (249762152).

Almost surely, 2^749286453 is an apocalyptic number.

It is an amenable number.

749286453 is a deficient number, since it is larger than the sum of its proper divisors (249762155).

749286453 is a wasteful number, since it uses less digits than its factorization.

749286453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249762154.

The product of its digits is 1451520, while the sum is 48.

The square root of 749286453 is about 27373.0972489413. The cubic root of 749286453 is about 908.2720714475.

The spelling of 749286453 in words is "seven hundred forty-nine million, two hundred eighty-six thousand, four hundred fifty-three".