75645682 has 16 divisors (see below), whose sum is σ = 137306880. Its totient is φ = 30512448.

The previous prime is 75645677. The next prime is 75645709. The reversal of 75645682 is 28654657.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 158682 + ... + 159157.

It is an arithmetic number, because the mean of its divisors is an integer number (8581680).

Almost surely, 2^75645682 is an apocalyptic number.

75645682 is a deficient number, since it is larger than the sum of its proper divisors (61661198).

75645682 is a wasteful number, since it uses less digits than its factorization.

75645682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317865.

The product of its digits is 403200, while the sum is 43.

The square root of 75645682 is about 8697.4526155651. The cubic root of 75645682 is about 422.9230746854.

Subtracting from 75645682 its reverse (28654657), we obtain a square (46991025 = 6855²).

The spelling of 75645682 in words is "seventy-five million, six hundred forty-five thousand, six hundred eighty-two".