75420367215 has 16 divisors (see below), whose sum is σ = 121800371328. Its totient is φ = 39848267936.

The previous prime is 75420367207. The next prime is 75420367219. The reversal of 75420367215 is 51276302457.

It is a cyclic number.

It is not a de Polignac number, because 75420367215 - 2³ = 75420367207 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75420367219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23493837 + ... + 23497046.

It is an arithmetic number, because the mean of its divisors is an integer number (7612523208).

Almost surely, 2^75420367215 is an apocalyptic number.

75420367215 is a deficient number, since it is larger than the sum of its proper divisors (46380004113).

75420367215 is a wasteful number, since it uses less digits than its factorization.

75420367215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46990998.

The product of its (nonzero) digits is 352800, while the sum is 42.

The spelling of 75420367215 in words is "seventy-five billion, four hundred twenty million, three hundred sixty-seven thousand, two hundred fifteen".