75343634357 has 4 divisors (see below), whose sum is σ = 75918776736. Its totient is φ = 74768491980.

The previous prime is 75343634323. The next prime is 75343634383.

75343634357 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 not a de Polignac number, because 75343634357 - 2³² = 71048667061 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 (75343634057) 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, 287570993 + ... + 287571254.

It is an arithmetic number, because the mean of its divisors is an integer number (18979694184).

Almost surely, 2^75343634357 is an apocalyptic number.

It is an amenable number.

75343634357 is a deficient number, since it is larger than the sum of its proper divisors (575142379).

75343634357 is a wasteful number, since it uses less digits than its factorization.

75343634357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 575142378.

The product of its digits is 9525600, while the sum is 50.

The spelling of 75343634357 in words is "seventy-five billion, three hundred forty-three million, six hundred thirty-four thousand, three hundred fifty-seven".