75147422 has 32 divisors (see below), whose sum is σ = 131051520. Its totient is φ = 31655520.

The previous prime is 75147403. The next prime is 75147427. The reversal of 75147422 is 22474157.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75147427) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 393347 + ... + 393537.

It is an arithmetic number, because the mean of its divisors is an integer number (4095360).

Almost surely, 2^75147422 is an apocalyptic number.

75147422 is a deficient number, since it is larger than the sum of its proper divisors (55904098).

75147422 is a wasteful number, since it uses less digits than its factorization.

75147422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 536.

The product of its digits is 15680, while the sum is 32.

The square root of 75147422 is about 8668.7612725233. The cubic root of 75147422 is about 421.9924640958.

The spelling of 75147422 in words is "seventy-five million, one hundred forty-seven thousand, four hundred twenty-two".