75495755 has 4 divisors (see below), whose sum is σ = 90594912. Its totient is φ = 60396600.

The previous prime is 75495743. The next prime is 75495781. The reversal of 75495755 is 55759457.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-75495755 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7549571 + ... + 7549580.

It is an arithmetic number, because the mean of its divisors is an integer number (22648728).

Almost surely, 2^75495755 is an apocalyptic number.

75495755 is a deficient number, since it is larger than the sum of its proper divisors (15099157).

75495755 is a wasteful number, since it uses less digits than its factorization.

75495755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15099156.

The product of its digits is 1102500, while the sum is 47.

The square root of 75495755 is about 8688.8293227569. The cubic root of 75495755 is about 422.6434838225.

The spelling of 75495755 in words is "seventy-five million, four hundred ninety-five thousand, seven hundred fifty-five".