75228861 has 8 divisors (see below), whose sum is σ = 100349280. Its totient is φ = 50130512.

The previous prime is 75228851. The next prime is 75228863. The reversal of 75228861 is 16882257.

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 75228861 - 2²⁶ = 8119997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75228863) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5695 + ... + 13523.

It is an arithmetic number, because the mean of its divisors is an integer number (12543660).

Almost surely, 2^75228861 is an apocalyptic number.

It is an amenable number.

75228861 is a deficient number, since it is larger than the sum of its proper divisors (25120419).

75228861 is a wasteful number, since it uses less digits than its factorization.

75228861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11035.

The product of its digits is 53760, while the sum is 39.

The square root of 75228861 is about 8673.4572691632. The cubic root of 75228861 is about 422.1448500601.

The spelling of 75228861 in words is "seventy-five million, two hundred twenty-eight thousand, eight hundred sixty-one".