65795890 has 8 divisors (see below), whose sum is σ = 118432620. Its totient is φ = 26318352.

The previous prime is 65795837. The next prime is 65795897. The reversal of 65795890 is 9859756.

It can be written as a sum of positive squares in 2 ways, for example, as 65788321 + 7569 = 8111^2 + 87^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (65795897) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3289785 + ... + 3289804.

Almost surely, 2^65795890 is an apocalyptic number.

65795890 is a deficient number, since it is larger than the sum of its proper divisors (52636730).

65795890 is a wasteful number, since it uses less digits than its factorization.

65795890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6579596.

The product of its (nonzero) digits is 680400, while the sum is 49.

The square root of 65795890 is about 8111.4665751638. The cubic root of 65795890 is about 403.7069771754.

The spelling of 65795890 in words is "sixty-five million, seven hundred ninety-five thousand, eight hundred ninety".