75312516 has 48 divisors (see below), whose sum is σ = 192084480. Its totient is φ = 22863360.

The previous prime is 75312493. The next prime is 75312521. The reversal of 75312516 is 61521357.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 370 + ... + 12278.

It is an arithmetic number, because the mean of its divisors is an integer number (4001760).

Almost surely, 2^75312516 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 75312516, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96042240).

75312516 is an abundant number, since it is smaller than the sum of its proper divisors (116771964).

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

75312516 is a wasteful number, since it uses less digits than its factorization.

75312516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11964 (or 11962 counting only the distinct ones).

The product of its digits is 6300, while the sum is 30.

The square root of 75312516 is about 8678.2784006968. The cubic root of 75312516 is about 422.3012680671.

The spelling of 75312516 in words is "seventy-five million, three hundred twelve thousand, five hundred sixteen".