749352847 has 4 divisors (see below), whose sum is σ = 749408176. Its totient is φ = 749297520.

The previous prime is 749352817. The next prime is 749352871. The reversal of 749352847 is 748253947.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-749352847 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 749352847.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (749352817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7843 + ... + 39499.

It is an arithmetic number, because the mean of its divisors is an integer number (187352044).

Almost surely, 2^749352847 is an apocalyptic number.

749352847 is a deficient number, since it is larger than the sum of its proper divisors (55329).

749352847 is a wasteful number, since it uses less digits than its factorization.

749352847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55328.

The product of its digits is 1693440, while the sum is 49.

The square root of 749352847 is about 27374.3099821712. The cubic root of 749352847 is about 908.2988978744.

The spelling of 749352847 in words is "seven hundred forty-nine million, three hundred fifty-two thousand, eight hundred forty-seven".