7500252816 has 135 divisors (see below), whose sum is σ = 24440983203. Its totient is φ = 2140850880.

The previous prime is 7500252779. The next prime is 7500252817. The reversal of 7500252816 is 6182520057.

It is a happy number.

The square root of 7500252816 is 86604.

It is a perfect power (a square), and thus also a powerful number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (7500252817) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 7274221 + ... + 7275251.

Almost surely, 2^7500252816 is an apocalyptic number.

7500252816 is the 86604-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7500252816

7500252816 is an abundant number, since it is smaller than the sum of its proper divisors (16940730387).

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

7500252816 is a wasteful number, since it uses less digits than its factorization.

7500252816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2090 (or 1043 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 36.

The cubic root of 7500252816 is about 1957.4558145857.

Multiplying 7500252816 by its sum of digits (36), we get a square (270009101376 = 519624²).

7500252816 divided by its sum of digits (36) gives a square (208340356 = 14434²).

The spelling of 7500252816 in words is "seven billion, five hundred million, two hundred fifty-two thousand, eight hundred sixteen".