747017939 has 4 divisors (see below), whose sum is σ = 759679320. Its totient is φ = 734356560.

The previous prime is 747017867. The next prime is 747017959. The reversal of 747017939 is 939710747.

747017939 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 747017939 - 2¹² = 747013843 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 747017893 and 747017902.

It is not an unprimeable number, because it can be changed into a prime (747017959) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6330602 + ... + 6330719.

It is an arithmetic number, because the mean of its divisors is an integer number (189919830).

Almost surely, 2^747017939 is an apocalyptic number.

747017939 is a deficient number, since it is larger than the sum of its proper divisors (12661381).

747017939 is a wasteful number, since it uses less digits than its factorization.

747017939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12661380.

The product of its (nonzero) digits is 333396, while the sum is 47.

The square root of 747017939 is about 27331.6289123060. The cubic root of 747017939 is about 907.3545270439.

The spelling of 747017939 in words is "seven hundred forty-seven million, seventeen thousand, nine hundred thirty-nine".