75722538 has 16 divisors (see below), whose sum is σ = 156667680. Its totient is φ = 24370416.

The previous prime is 75722519. The next prime is 75722551. The reversal of 75722538 is 83522757.

It is a super-2 number, since 2×75722538² = 11467805522322888, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 75722496 and 75722505.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 217420 + ... + 217767.

It is an arithmetic number, because the mean of its divisors is an integer number (9791730).

Almost surely, 2^75722538 is an apocalyptic number.

75722538 is an abundant number, since it is smaller than the sum of its proper divisors (80945142).

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

75722538 is a wasteful number, since it uses less digits than its factorization.

75722538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 435221.

The product of its digits is 117600, while the sum is 39.

The square root of 75722538 is about 8701.8697990719. The cubic root of 75722538 is about 423.0662561294.

The spelling of 75722538 in words is "seventy-five million, seven hundred twenty-two thousand, five hundred thirty-eight".