749516406 has 8 divisors (see below), whose sum is σ = 1499032824. Its totient is φ = 249838800.

The previous prime is 749516401. The next prime is 749516413. The reversal of 749516406 is 604615947.

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

749516406 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (749516401) 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, 62459695 + ... + 62459706.

It is an arithmetic number, because the mean of its divisors is an integer number (187379103).

Almost surely, 2^749516406 is an apocalyptic number.

749516406 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

749516406 is a wasteful number, since it uses less digits than its factorization.

749516406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124919406.

The product of its (nonzero) digits is 181440, while the sum is 42.

The square root of 749516406 is about 27377.2972734710. The cubic root of 749516406 is about 908.3649769597.

It can be divided in two parts, 74951640 and 6, that added together give a triangular number (74951646 = T₁₂₂₄₃).

The spelling of 749516406 in words is "seven hundred forty-nine million, five hundred sixteen thousand, four hundred six".