75640485 has 16 divisors (see below), whose sum is σ = 121572864. Its totient is φ = 40158912.

The previous prime is 75640471. The next prime is 75640493. The reversal of 75640485 is 58404657.

It is not a de Polignac number, because 75640485 - 2⁹ = 75639973 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7962 + ... + 14651.

It is an arithmetic number, because the mean of its divisors is an integer number (7598304).

Almost surely, 2^75640485 is an apocalyptic number.

It is an amenable number.

75640485 is a deficient number, since it is larger than the sum of its proper divisors (45932379).

75640485 is a wasteful number, since it uses less digits than its factorization.

75640485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22844.

The product of its (nonzero) digits is 134400, while the sum is 39.

The square root of 75640485 is about 8697.1538447931. The cubic root of 75640485 is about 422.9133892612.

The spelling of 75640485 in words is "seventy-five million, six hundred forty thousand, four hundred eighty-five".