72823054 has 4 divisors (see below), whose sum is σ = 109234584. Its totient is φ = 36411526.

The previous prime is 72823039. The next prime is 72823057. The reversal of 72823054 is 45032827.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72823057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18205762 + ... + 18205765.

It is an arithmetic number, because the mean of its divisors is an integer number (27308646).

Almost surely, 2^72823054 is an apocalyptic number.

72823054 is a deficient number, since it is larger than the sum of its proper divisors (36411530).

72823054 is a wasteful number, since it uses less digits than its factorization.

72823054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36411529.

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 72823054 is about 8533.6424813792. The cubic root of 72823054 is about 417.5959672778.

The spelling of 72823054 in words is "seventy-two million, eight hundred twenty-three thousand, fifty-four".