72850190869 has 8 divisors (see below), whose sum is σ = 76933467072. Its totient is φ = 68843237760.

The previous prime is 72850190851. The next prime is 72850190879. The reversal of 72850190869 is 96809105827.

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 72850190869 - 2¹³ = 72850182677 is a prime.

It is a super-2 number, since 2×72850190869² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72850190879) 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, 19078812 + ... + 19082629.

It is an arithmetic number, because the mean of its divisors is an integer number (9616683384).

Almost surely, 2^72850190869 is an apocalyptic number.

It is an amenable number.

72850190869 is a deficient number, since it is larger than the sum of its proper divisors (4083276203).

72850190869 is a wasteful number, since it uses less digits than its factorization.

72850190869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38161547.

The product of its (nonzero) digits is 2177280, while the sum is 55.

The spelling of 72850190869 in words is "seventy-two billion, eight hundred fifty million, one hundred ninety thousand, eight hundred sixty-nine".