747285407 has 16 divisors (see below), whose sum is σ = 822159744. Its totient is φ = 673596000.

The previous prime is 747285403. The next prime is 747285449. The reversal of 747285407 is 704582747.

It is not a de Polignac number, because 747285407 - 2² = 747285403 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (747285403) 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 15 ways as a sum of consecutive naturals, for example, 921032 + ... + 921842.

It is an arithmetic number, because the mean of its divisors is an integer number (51384984).

Almost surely, 2^747285407 is an apocalyptic number.

747285407 is a deficient number, since it is larger than the sum of its proper divisors (74874337).

747285407 is a wasteful number, since it uses less digits than its factorization.

747285407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1430.

The product of its (nonzero) digits is 439040, while the sum is 44.

The square root of 747285407 is about 27336.5214868315. The cubic root of 747285407 is about 907.4628061669.

The spelling of 747285407 in words is "seven hundred forty-seven million, two hundred eighty-five thousand, four hundred seven".