747849971 has 8 divisors (see below), whose sum is σ = 816359088. Its totient is φ = 679428000.

The previous prime is 747849929. The next prime is 747849979. The reversal of 747849971 is 179948747.

747849971 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 747849971 - 2¹⁰ = 747848947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (747849979) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3140 + ... + 38801.

It is an arithmetic number, because the mean of its divisors is an integer number (102044886).

Almost surely, 2^747849971 is an apocalyptic number.

747849971 is a deficient number, since it is larger than the sum of its proper divisors (68509117).

747849971 is a wasteful number, since it uses less digits than its factorization.

747849971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43573.

The product of its digits is 3556224, while the sum is 56.

The square root of 747849971 is about 27346.8457230446. The cubic root of 747849971 is about 907.6912739267.

The spelling of 747849971 in words is "seven hundred forty-seven million, eight hundred forty-nine thousand, nine hundred seventy-one".