749681043 has 8 divisors (see below), whose sum is σ = 1052184000. Its totient is φ = 473482728.

The previous prime is 749681041. The next prime is 749681047. The reversal of 749681043 is 340186947.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 749681043 - 2¹ = 749681041 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 749680986 and 749681004.

It is not an unprimeable number, because it can be changed into a prime (749681041) 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 7 ways as a sum of consecutive naturals, for example, 6576093 + ... + 6576206.

It is an arithmetic number, because the mean of its divisors is an integer number (131523000).

Almost surely, 2^749681043 is an apocalyptic number.

749681043 is a deficient number, since it is larger than the sum of its proper divisors (302502957).

749681043 is a wasteful number, since it uses less digits than its factorization.

749681043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13152321.

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 749681043 is about 27380.3039245367. The cubic root of 749681043 is about 908.4314818576.

The spelling of 749681043 in words is "seven hundred forty-nine million, six hundred eighty-one thousand, forty-three".