75002420057 has 4 divisors (see below), whose sum is σ = 75003469476. Its totient is φ = 75001370640.

The previous prime is 75002420047. The next prime is 75002420083.

75002420057 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 60226558921 + 14775861136 = 245411^2 + 121556^2 .

It is a cyclic number.

It is not a de Polignac number, because 75002420057 - 2⁴ = 75002420041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75002420027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 408998 + ... + 563279.

It is an arithmetic number, because the mean of its divisors is an integer number (18750867369).

Almost surely, 2^75002420057 is an apocalyptic number.

It is an amenable number.

75002420057 is a deficient number, since it is larger than the sum of its proper divisors (1049419).

75002420057 is an equidigital number, since it uses as much as digits as its factorization.

75002420057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1049418.

The product of its (nonzero) digits is 19600, while the sum is 32.

The spelling of 75002420057 in words is "seventy-five billion, two million, four hundred twenty thousand, fifty-seven".