75225065 has 16 divisors (see below), whose sum is σ = 97238016. Its totient is φ = 55704000.

The previous prime is 75225049. The next prime is 75225067. The reversal of 75225065 is 56052257.

It is not a de Polignac number, because 75225065 - 2⁴ = 75225049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75225067) 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, 6986 + ... + 14115.

It is an arithmetic number, because the mean of its divisors is an integer number (6077376).

Almost surely, 2^75225065 is an apocalyptic number.

It is an amenable number.

75225065 is a deficient number, since it is larger than the sum of its proper divisors (22012951).

75225065 is a wasteful number, since it uses less digits than its factorization.

75225065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21160.

The product of its (nonzero) digits is 21000, while the sum is 32.

The square root of 75225065 is about 8673.2384378616. The cubic root of 75225065 is about 422.1377495547.

The spelling of 75225065 in words is "seventy-five million, two hundred twenty-five thousand, sixty-five".