747225878 has 32 divisors (see below), whose sum is σ = 1346214144. Its totient is φ = 304329312.

The previous prime is 747225859. The next prime is 747225889. The reversal of 747225878 is 878522747.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5501 + ... + 39047.

It is an arithmetic number, because the mean of its divisors is an integer number (42069192).

Almost surely, 2^747225878 is an apocalyptic number.

747225878 is a deficient number, since it is larger than the sum of its proper divisors (598988266).

747225878 is a wasteful number, since it uses less digits than its factorization.

747225878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33636.

The product of its digits is 1756160, while the sum is 50.

The square root of 747225878 is about 27335.4326470243. The cubic root of 747225878 is about 907.4387092657.

The spelling of 747225878 in words is "seven hundred forty-seven million, two hundred twenty-five thousand, eight hundred seventy-eight".