75002215712 has 12 divisors (see below), whose sum is σ = 147660612246. Its totient is φ = 37501107840.

The previous prime is 75002215711. The next prime is 75002215733. The reversal of 75002215712 is 21751220057.

It can be written as a sum of positive squares in only one way, i.e., 73135630096 + 1866585616 = 270436^2 + 43204^2 .

It is a Harshad number since it is a multiple of its sum of digits (32), and also a Moran number because the ratio is a prime number: 2343819241 = 75002215712 / (7 + 5 + 0 + 0 + 2 + 2 + 1 + 5 + 7 + 1 + 2).

It is not an unprimeable number, because it can be changed into a prime (75002215711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1171909589 + ... + 1171909652.

Almost surely, 2^75002215712 is an apocalyptic number.

It is an amenable number.

75002215712 is a deficient number, since it is larger than the sum of its proper divisors (72658396534).

75002215712 is a wasteful number, since it uses less digits than its factorization.

75002215712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2343819251 (or 2343819243 counting only the distinct ones).

The product of its (nonzero) digits is 9800, while the sum is 32.

Adding to 75002215712 its reverse (21751220057), we get a palindrome (96753435769).

The spelling of 75002215712 in words is "seventy-five billion, two million, two hundred fifteen thousand, seven hundred twelve".