65072226774 has 16 divisors (see below), whose sum is σ = 130973401008. Its totient is φ = 21552584352.

The previous prime is 65072226763. The next prime is 65072226811. The reversal of 65072226774 is 47762227056.

It is a congruent number.

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, 34538457 + ... + 34540340.

It is an arithmetic number, because the mean of its divisors is an integer number (8185837563).

Almost surely, 2^65072226774 is an apocalyptic number.

65072226774 is an abundant number, since it is smaller than the sum of its proper divisors (65901174234).

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

65072226774 is a wasteful number, since it uses less digits than its factorization.

65072226774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69078959.

The product of its (nonzero) digits is 1975680, while the sum is 48.

The spelling of 65072226774 in words is "sixty-five billion, seventy-two million, two hundred twenty-six thousand, seven hundred seventy-four".