72819083 has 4 divisors (see below), whose sum is σ = 72840240. Its totient is φ = 72797928.

The previous prime is 72819079. The next prime is 72819113. The reversal of 72819083 is 38091827.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 38091827 = 19 ⋅2004833.

It is a cyclic number.

It is not a de Polignac number, because 72819083 - 2² = 72819079 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72819053) 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, 4088 + ... + 12741.

It is an arithmetic number, because the mean of its divisors is an integer number (18210060).

Almost surely, 2^72819083 is an apocalyptic number.

72819083 is a deficient number, since it is larger than the sum of its proper divisors (21157).

72819083 is a wasteful number, since it uses less digits than its factorization.

72819083 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21156.

The product of its (nonzero) digits is 24192, while the sum is 38.

The square root of 72819083 is about 8533.4098108552. The cubic root of 72819083 is about 417.5883767157.

The spelling of 72819083 in words is "seventy-two million, eight hundred nineteen thousand, eighty-three".