65272406 has 4 divisors (see below), whose sum is σ = 97908612. Its totient is φ = 32636202.

The previous prime is 65272399. The next prime is 65272411. The reversal of 65272406 is 60427256.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16318100 + ... + 16318103.

It is an arithmetic number, because the mean of its divisors is an integer number (24477153).

Almost surely, 2^65272406 is an apocalyptic number.

65272406 is a deficient number, since it is larger than the sum of its proper divisors (32636206).

65272406 is a wasteful number, since it uses less digits than its factorization.

65272406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32636205.

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 65272406 is about 8079.1339882440. The cubic root of 65272406 is about 402.6334698753.

The spelling of 65272406 in words is "sixty-five million, two hundred seventy-two thousand, four hundred six".