72050051 has 8 divisors (see below), whose sum is σ = 73187184. Its totient is φ = 70917120.

The previous prime is 72050023. The next prime is 72050057. The reversal of 72050051 is 15005027.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 72050051 - 2⁶ = 72049987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72050057) 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, 58595 + ... + 59811.

It is an arithmetic number, because the mean of its divisors is an integer number (9148398).

Almost surely, 2^72050051 is an apocalyptic number.

72050051 is a deficient number, since it is larger than the sum of its proper divisors (1137133).

72050051 is a wasteful number, since it uses less digits than its factorization.

72050051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2101.

The product of its (nonzero) digits is 350, while the sum is 20.

The square root of 72050051 is about 8488.2301453248. The cubic root of 72050051 is about 416.1131406850.

Adding to 72050051 its reverse (15005027), we get a palindrome (87055078).

The spelling of 72050051 in words is "seventy-two million, fifty thousand, fifty-one".