7512729216 has 64 divisors (see below), whose sum is σ = 21129569280. Its totient is φ = 2356932608.

The previous prime is 7512729167. The next prime is 7512729283. The reversal of 7512729216 is 6129272157.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×7512729216² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 568896 + ... + 581951.

It is an arithmetic number, because the mean of its divisors is an integer number (330149520).

Almost surely, 2^7512729216 is an apocalyptic number.

It is an amenable number.

7512729216 is an abundant number, since it is smaller than the sum of its proper divisors (13616840064).

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

7512729216 is a wasteful number, since it uses less digits than its factorization.

7512729216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1150881 (or 1150869 counting only the distinct ones).

The product of its digits is 105840, while the sum is 42.

The square root of 7512729216 is about 86676.0013844663. The cubic root of 7512729216 is about 1958.5405990198.

The spelling of 7512729216 in words is "seven billion, five hundred twelve million, seven hundred twenty-nine thousand, two hundred sixteen".