72946223 has 16 divisors (see below), whose sum is σ = 86676480. Its totient is φ = 60065376.

The previous prime is 72946217. The next prime is 72946267. The reversal of 72946223 is 32264927.

It is a happy number.

It is not a de Polignac number, because 72946223 - 2⁴ = 72946207 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 (72946213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45290 + ... + 46872.

It is an arithmetic number, because the mean of its divisors is an integer number (5417280).

Almost surely, 2^72946223 is an apocalyptic number.

72946223 is a deficient number, since it is larger than the sum of its proper divisors (13730257).

72946223 is a wasteful number, since it uses less digits than its factorization.

72946223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1846.

The product of its digits is 36288, while the sum is 35.

The square root of 72946223 is about 8540.8561046303. The cubic root of 72946223 is about 417.8312677952.

The spelling of 72946223 in words is "seventy-two million, nine hundred forty-six thousand, two hundred twenty-three".