749789406 has 32 divisors (see below), whose sum is σ = 1669651200. Its totient is φ = 249411960.

The previous prime is 749789401. The next prime is 749789483. The reversal of 749789406 is 604987947.

It is a happy number.

749789406 is a `hidden beast` number, since 74 + 97 + 89 + 406 = 666.

749789406 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (749789401) 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, 12375 + ... + 40653.

It is an arithmetic number, because the mean of its divisors is an integer number (52176600).

Almost surely, 2^749789406 is an apocalyptic number.

749789406 is an abundant number, since it is smaller than the sum of its proper divisors (919861794).

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

749789406 is a wasteful number, since it uses less digits than its factorization.

749789406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28781 (or 28775 counting only the distinct ones).

The product of its (nonzero) digits is 3048192, while the sum is 54.

The square root of 749789406 is about 27382.2827025067. The cubic root of 749789406 is about 908.4752496345.

The spelling of 749789406 in words is "seven hundred forty-nine million, seven hundred eighty-nine thousand, four hundred six".