749041782784 has 39 divisors (see below), whose sum is σ = 1498011469123. Its totient is φ = 374493196288.

The previous prime is 749041782773. The next prime is 749041782787. The reversal of 749041782784 is 487287140947.

It is a happy number.

The square root of 749041782784 is 865472.

It is a perfect power (a square), and thus also a powerful number.

It is a super-2 number, since 2×749041782784² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (749041782787) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 55383447 + ... + 55396969.

Almost surely, 2^749041782784 is an apocalyptic number.

749041782784 is the 865472-nd square number.

It is an amenable number.

749041782784 is a deficient number, since it is larger than the sum of its proper divisors (748969686339).

749041782784 is an frugal number, since it uses more digits than its factorization.

749041782784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27070 (or 13525 counting only the distinct ones).

The product of its (nonzero) digits is 25288704, while the sum is 61.

The spelling of 749041782784 in words is "seven hundred forty-nine billion, forty-one million, seven hundred eighty-two thousand, seven hundred eighty-four".