749650870 has 64 divisors (see below), whose sum is σ = 1498979520. Its totient is φ = 268627968.

The previous prime is 749650861. The next prime is 749650931. The reversal of 749650870 is 78056947.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 749650870.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 358849 + ... + 360931.

It is an arithmetic number, because the mean of its divisors is an integer number (23421555).

Almost surely, 2^749650870 is an apocalyptic number.

749650870 is a deficient number, since it is larger than the sum of its proper divisors (749328650).

749650870 is a wasteful number, since it uses less digits than its factorization.

749650870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2209.

The product of its (nonzero) digits is 423360, while the sum is 46.

The square root of 749650870 is about 27379.7529207259. The cubic root of 749650870 is about 908.4192942430.

The spelling of 749650870 in words is "seven hundred forty-nine million, six hundred fifty thousand, eight hundred seventy".