749543377 has 4 divisors (see below), whose sum is σ = 817683696. Its totient is φ = 681403060.

The previous prime is 749543359. The next prime is 749543381. The reversal of 749543377 is 773345947.

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 a cyclic number.

It is not a de Polignac number, because 749543377 - 2¹⁵ = 749510609 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 749543377.

It is not an unprimeable number, because it can be changed into a prime (749543387) 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, 34070143 + ... + 34070164.

It is an arithmetic number, because the mean of its divisors is an integer number (204420924).

Almost surely, 2^749543377 is an apocalyptic number.

It is an amenable number.

749543377 is a deficient number, since it is larger than the sum of its proper divisors (68140319).

749543377 is a wasteful number, since it uses less digits than its factorization.

749543377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68140318.

The product of its digits is 2222640, while the sum is 49.

The square root of 749543377 is about 27377.7898487077. The cubic root of 749543377 is about 908.3758725264.

The spelling of 749543377 in words is "seven hundred forty-nine million, five hundred forty-three thousand, three hundred seventy-seven".