75322427347 has 4 divisors (see below), whose sum is σ = 75333011976. Its totient is φ = 75311842720.

The previous prime is 75322427281. The next prime is 75322427363. The reversal of 75322427347 is 74372422357.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74372422357 = 283 ⋅262800079.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-75322427347 is a prime.

It is a super-2 number, since 2×75322427347² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 75322427297 and 75322427306.

It is not an unprimeable number, because it can be changed into a prime (75322437347) 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, 5281633 + ... + 5295874.

It is an arithmetic number, because the mean of its divisors is an integer number (18833252994).

Almost surely, 2^75322427347 is an apocalyptic number.

75322427347 is a deficient number, since it is larger than the sum of its proper divisors (10584629).

75322427347 is a wasteful number, since it uses less digits than its factorization.

75322427347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10584628.

The product of its digits is 1975680, while the sum is 46.

The spelling of 75322427347 in words is "seventy-five billion, three hundred twenty-two million, four hundred twenty-seven thousand, three hundred forty-seven".