749650987 has 16 divisors (see below), whose sum is σ = 783360000. Its totient is φ = 716882400.

The previous prime is 749650981. The next prime is 749650997. The reversal of 749650987 is 789056947.

749650987 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 749650987 - 2⁷ = 749650859 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (749650981) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 374014 + ... + 376012.

It is an arithmetic number, because the mean of its divisors is an integer number (48960000).

Almost surely, 2^749650987 is an apocalyptic number.

749650987 is a deficient number, since it is larger than the sum of its proper divisors (33709013).

749650987 is a wasteful number, since it uses less digits than its factorization.

749650987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2226.

The product of its (nonzero) digits is 3810240, while the sum is 55.

The square root of 749650987 is about 27379.7550573412. The cubic root of 749650987 is about 908.4193415028.

The spelling of 749650987 in words is "seven hundred forty-nine million, six hundred fifty thousand, nine hundred eighty-seven".