75407422506 has 64 divisors (see below), whose sum is σ = 165038095488. Its totient is φ = 22828531968.

The previous prime is 75407422481. The next prime is 75407422553. The reversal of 75407422506 is 60522470457.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 4574976 + ... + 4591428.

It is an arithmetic number, because the mean of its divisors is an integer number (2578720242).

Almost surely, 2^75407422506 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 75407422506, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82519047744).

75407422506 is an abundant number, since it is smaller than the sum of its proper divisors (89630672982).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

75407422506 is a wasteful number, since it uses less digits than its factorization.

75407422506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17415.

The product of its (nonzero) digits is 470400, while the sum is 42.

The spelling of 75407422506 in words is "seventy-five billion, four hundred seven million, four hundred twenty-two thousand, five hundred six".