747685120 has 288 divisors, whose sum is σ = 2266387200. Its totient is φ = 234823680.

The previous prime is 747685097. The next prime is 747685121. The reversal of 747685120 is 21586747.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (747685121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5707455 + ... + 5707585.

It is an arithmetic number, because the mean of its divisors is an integer number (7869400).

Almost surely, 2^747685120 is an apocalyptic number.

747685120 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 747685120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1133193600).

747685120 is an abundant number, since it is smaller than the sum of its proper divisors (1518702080).

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

747685120 is a wasteful number, since it uses less digits than its factorization.

747685120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186 (or 158 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 40.

The square root of 747685120 is about 27343.8314798786. The cubic root of 747685120 is about 907.6245739128.

The spelling of 747685120 in words is "seven hundred forty-seven million, six hundred eighty-five thousand, one hundred twenty".