75374047357 has 4 divisors (see below), whose sum is σ = 86141768416. Its totient is φ = 64606326300.

The previous prime is 75374047321. The next prime is 75374047379.

75374047357 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-75374047357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75374047387) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 5383860519 + ... + 5383860532.

It is an arithmetic number, because the mean of its divisors is an integer number (21535442104).

Almost surely, 2^75374047357 is an apocalyptic number.

It is an amenable number.

75374047357 is a deficient number, since it is larger than the sum of its proper divisors (10767721059).

75374047357 is a wasteful number, since it uses less digits than its factorization.

75374047357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10767721058.

The product of its (nonzero) digits is 8643600, while the sum is 52.

The spelling of 75374047357 in words is "seventy-five billion, three hundred seventy-four million, forty-seven thousand, three hundred fifty-seven".