750000072 has 64 divisors (see below), whose sum is σ = 1976832000. Its totient is φ = 236464704.

The previous prime is 750000007. The next prime is 750000073. The reversal of 750000072 is 270000057.

It is not an unprimeable number, because it can be changed into a prime (750000073) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 472993 + ... + 474575.

It is an arithmetic number, because the mean of its divisors is an integer number (30888000).

Almost surely, 2^750000072 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 750000072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (988416000).

750000072 is an abundant number, since it is smaller than the sum of its proper divisors (1226831928).

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

750000072 is a wasteful number, since it uses less digits than its factorization.

750000072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2650 (or 2646 counting only the distinct ones).

The product of its (nonzero) digits is 490, while the sum is 21.

The square root of 750000072 is about 27386.1291897924. The cubic root of 750000072 is about 908.5603254900.

The spelling of 750000072 in words is "seven hundred fifty million, seventy-two", and thus it is an aban number.