75693145 has 16 divisors (see below), whose sum is σ = 99812160. Its totient is φ = 54648000.

The previous prime is 75693133. The next prime is 75693179. The reversal of 75693145 is 54139657.

It is a de Polignac number, because none of the positive numbers 2^k-75693145 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 75693098 and 75693107.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2695 + ... + 12595.

It is an arithmetic number, because the mean of its divisors is an integer number (6238260).

Almost surely, 2^75693145 is an apocalyptic number.

It is an amenable number.

75693145 is a deficient number, since it is larger than the sum of its proper divisors (24119015).

75693145 is a wasteful number, since it uses less digits than its factorization.

75693145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10056.

The product of its digits is 113400, while the sum is 40.

The square root of 75693145 is about 8700.1807452489. The cubic root of 75693145 is about 423.0115089075.

The spelling of 75693145 in words is "seventy-five million, six hundred ninety-three thousand, one hundred forty-five".