72050016506701 has 4 divisors (see below), whose sum is σ = 72106349593600. Its totient is φ = 71993683419804.

The previous prime is 72050016506669. The next prime is 72050016506729. The reversal of 72050016506701 is 10760561005027.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 72050016506701 - 2⁵ = 72050016506669 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72050016504701) 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, 28166541531 + ... + 28166544088.

It is an arithmetic number, because the mean of its divisors is an integer number (18026587398400).

Almost surely, 2^{72050016506701} is an apocalyptic number.

It is an amenable number.

72050016506701 is a deficient number, since it is larger than the sum of its proper divisors (56333086899).

72050016506701 is a wasteful number, since it uses less digits than its factorization.

72050016506701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56333086898.

The product of its (nonzero) digits is 88200, while the sum is 40.

The spelling of 72050016506701 in words is "seventy-two trillion, fifty billion, sixteen million, five hundred six thousand, seven hundred one".