2072717561464 has 32 divisors (see below), whose sum is σ = 4243851572400. Its totient is φ = 941210565120.

The previous prime is 2072717561407. The next prime is 2072717561471. The reversal of 2072717561464 is 4641657172702.

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, 11582967 + ... + 11760550.

Almost surely, 2^{2072717561464} is an apocalyptic number.

It is an amenable number.

2072717561464 is an abundant number, since it is smaller than the sum of its proper divisors (2171134010936).

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

2072717561464 is a wasteful number, since it uses less digits than its factorization.

2072717561464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23344543 (or 23344539 counting only the distinct ones).

The product of its (nonzero) digits is 3951360, while the sum is 52.

The spelling of 2072717561464 in words is "two trillion, seventy-two billion, seven hundred seventeen million, five hundred sixty-one thousand, four hundred sixty-four".