747385751 has 16 divisors (see below), whose sum is σ = 860129280. Its totient is φ = 636154560.

The previous prime is 747385687. The next prime is 747385763. The reversal of 747385751 is 157583747.

747385751 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 747385751 - 2⁶ = 747385687 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 747385696 and 747385705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (747384751) 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, 923435 + ... + 924243.

It is an arithmetic number, because the mean of its divisors is an integer number (53758080).

Almost surely, 2^747385751 is an apocalyptic number.

747385751 is a deficient number, since it is larger than the sum of its proper divisors (112743529).

747385751 is a wasteful number, since it uses less digits than its factorization.

747385751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1574.

The product of its digits is 823200, while the sum is 47.

The square root of 747385751 is about 27338.3567721251. The cubic root of 747385751 is about 907.5034217833.

The spelling of 747385751 in words is "seven hundred forty-seven million, three hundred eighty-five thousand, seven hundred fifty-one".