749636446 has 16 divisors (see below), whose sum is σ = 1213766064. Its totient is φ = 345181824.

The previous prime is 749636429. The next prime is 749636449. The reversal of 749636446 is 644636947.

It is a super-3 number, since 3×749636446³ (a number of 28 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 749636446.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (749636449) 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, 22036 + ... + 44551.

It is an arithmetic number, because the mean of its divisors is an integer number (75860379).

Almost surely, 2^749636446 is an apocalyptic number.

749636446 is a deficient number, since it is larger than the sum of its proper divisors (464129618).

749636446 is a wasteful number, since it uses less digits than its factorization.

749636446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67035.

The product of its digits is 2612736, while the sum is 49.

The square root of 749636446 is about 27379.4895131374. The cubic root of 749636446 is about 908.4134679201.

The spelling of 749636446 in words is "seven hundred forty-nine million, six hundred thirty-six thousand, four hundred forty-six".