65726274 has 16 divisors (see below), whose sum is σ = 134510112. Its totient is φ = 21399168.

The previous prime is 65726273. The next prime is 65726279. The reversal of 65726274 is 47262756.

It is a happy number.

It is a Curzon number.

It is a zygodrome in base 5.

It is not an unprimeable number, because it can be changed into a prime (65726273) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127119 + ... + 127634.

It is an arithmetic number, because the mean of its divisors is an integer number (8406882).

Almost surely, 2^65726274 is an apocalyptic number.

65726274 is an abundant number, since it is smaller than the sum of its proper divisors (68783838).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65726274 is a wasteful number, since it uses less digits than its factorization.

65726274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254801.

The product of its digits is 141120, while the sum is 39.

The square root of 65726274 is about 8107.1742302728. The cubic root of 65726274 is about 403.5645448602.

The spelling of 65726274 in words is "sixty-five million, seven hundred twenty-six thousand, two hundred seventy-four".