75422771 has 4 divisors (see below), whose sum is σ = 76548552. Its totient is φ = 74296992.

The previous prime is 75422741. The next prime is 75422833. The reversal of 75422771 is 17722457.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17722457 = 137 ⋅129361.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-75422771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75422701) 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, 562790 + ... + 562923.

It is an arithmetic number, because the mean of its divisors is an integer number (19137138).

Almost surely, 2^75422771 is an apocalyptic number.

75422771 is a deficient number, since it is larger than the sum of its proper divisors (1125781).

75422771 is a wasteful number, since it uses less digits than its factorization.

75422771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1125780.

The product of its digits is 27440, while the sum is 35.

The square root of 75422771 is about 8684.6284318905. The cubic root of 75422771 is about 422.5072458872.

The spelling of 75422771 in words is "seventy-five million, four hundred twenty-two thousand, seven hundred seventy-one".