747880000 has 140 divisors (see below), whose sum is σ = 2120221312. Its totient is φ = 256320000.

The previous prime is 747879973. The next prime is 747880051. The reversal of 747880000 is 88747.

It is a tau number, because it is divible by the number of its divisors (140).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 278665 + ... + 281335.

Almost surely, 2^747880000 is an apocalyptic number.

747880000 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 747880000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1060110656).

747880000 is an abundant number, since it is smaller than the sum of its proper divisors (1372341312).

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

747880000 is an equidigital number, since it uses as much as digits as its factorization.

747880000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2710 (or 2685 counting only the distinct ones).

The product of its (nonzero) digits is 12544, while the sum is 34.

The square root of 747880000 is about 27347.3947570879. The cubic root of 747880000 is about 907.7034228414.

It can be divided in two parts, 7478 and 80000, that added together give a palindrome (87478).

The spelling of 747880000 in words is "seven hundred forty-seven million, eight hundred eighty thousand".