747897 has 8 divisors (see below), whose sum is σ = 1049760. Its totient is φ = 472320.

The previous prime is 747889. The next prime is 747917. The reversal of 747897 is 798747.

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

It is not a de Polignac number, because 747897 - 2³ = 747889 is a prime.

747897 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (747827) 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, 6504 + ... + 6617.

It is an arithmetic number, because the mean of its divisors is an integer number (131220).

2⁷⁴⁷⁸⁹⁷ is an apocalyptic number.

It is an amenable number.

747897 is a deficient number, since it is larger than the sum of its proper divisors (301863).

747897 is a wasteful number, since it uses less digits than its factorization.

747897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13143.

The product of its digits is 98784, while the sum is 42.

The square root of 747897 is about 864.8103838415. The cubic root of 747897 is about 90.7710300434.

The spelling of 747897 in words is "seven hundred forty-seven thousand, eight hundred ninety-seven".