75422645 has 8 divisors (see below), whose sum is σ = 92612256. Its totient is φ = 58934736.

The previous prime is 75422629. The next prime is 75422689. The reversal of 75422645 is 54622457.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 75422645 - 2⁴ = 75422629 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 175187 + ... + 175616.

It is an arithmetic number, because the mean of its divisors is an integer number (11576532).

Almost surely, 2^75422645 is an apocalyptic number.

It is an amenable number.

75422645 is a deficient number, since it is larger than the sum of its proper divisors (17189611).

75422645 is a wasteful number, since it uses less digits than its factorization.

75422645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350851.

The product of its digits is 67200, while the sum is 35.

The square root of 75422645 is about 8684.6211776911. The cubic root of 75422645 is about 422.5070106093.

It can be divided in two parts, 75422 and 645, that added together give a palindrome (76067).

The spelling of 75422645 in words is "seventy-five million, four hundred twenty-two thousand, six hundred forty-five".