749987867 has 8 divisors (see below), whose sum is σ = 793064832. Its totient is φ = 708091200.

The previous prime is 749987851. The next prime is 749987869. The reversal of 749987867 is 768789947.

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

It is a cyclic number.

It is not a de Polignac number, because 749987867 - 2⁴ = 749987851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (749987869) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 293768 + ... + 296309.

It is an arithmetic number, because the mean of its divisors is an integer number (99133104).

Almost surely, 2^749987867 is an apocalyptic number.

749987867 is a deficient number, since it is larger than the sum of its proper divisors (43076965).

749987867 is a wasteful number, since it uses less digits than its factorization.

749987867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 590149.

The product of its digits is 42674688, while the sum is 65.

The square root of 749987867 is about 27385.9063571027. The cubic root of 749987867 is about 908.5553970287. Note that the first 3 decimals are identical.

The spelling of 749987867 in words is "seven hundred forty-nine million, nine hundred eighty-seven thousand, eight hundred sixty-seven".