747141808 has 80 divisors (see below), whose sum is σ = 1705000000. Its totient is φ = 317011968.

The previous prime is 747141799. The next prime is 747141827. The reversal of 747141808 is 808141747.

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, 597568 + ... + 598816.

It is an arithmetic number, because the mean of its divisors is an integer number (21312500).

Almost surely, 2^747141808 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 747141808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (852500000).

747141808 is an abundant number, since it is smaller than the sum of its proper divisors (957858192).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

747141808 is a wasteful number, since it uses less digits than its factorization.

747141808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1387 (or 1367 counting only the distinct ones).

The product of its (nonzero) digits is 50176, while the sum is 40.

The square root of 747141808 is about 27333.8948560208. The cubic root of 747141808 is about 907.4046761681.

The spelling of 747141808 in words is "seven hundred forty-seven million, one hundred forty-one thousand, eight hundred eight".