747279827 has 4 divisors (see below), whose sum is σ = 854034096. Its totient is φ = 640525560.

The previous prime is 747279809. The next prime is 747279851. The reversal of 747279827 is 728972747.

It is a happy number.

747279827 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, and also an emirpimes, since its reverse is a distinct semiprime: 728972747 = 1229 ⋅593143.

It is a cyclic number.

It is not a de Polignac number, because 747279827 - 2¹⁴ = 747263443 is a prime.

It is a super-2 number, since 2×747279827² = 1116854279682299858, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (747279887) 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, 53377124 + ... + 53377137.

It is an arithmetic number, because the mean of its divisors is an integer number (213508524).

Almost surely, 2^747279827 is an apocalyptic number.

747279827 is a deficient number, since it is larger than the sum of its proper divisors (106754269).

747279827 is a wasteful number, since it uses less digits than its factorization.

747279827 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106754268.

The product of its digits is 2765952, while the sum is 53.

The square root of 747279827 is about 27336.4194253746. The cubic root of 747279827 is about 907.4605474783.

The spelling of 747279827 in words is "seven hundred forty-seven million, two hundred seventy-nine thousand, eight hundred twenty-seven".