72022943 has 8 divisors (see below), whose sum is σ = 72553008. Its totient is φ = 71495424.

The previous prime is 72022933. The next prime is 72022969. The reversal of 72022943 is 34922027.

It is a happy number.

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 72022943 - 2⁶ = 72022879 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 (72022933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 131396 + ... + 131942.

It is an arithmetic number, because the mean of its divisors is an integer number (9069126).

Almost surely, 2^72022943 is an apocalyptic number.

72022943 is a deficient number, since it is larger than the sum of its proper divisors (530065).

72022943 is a wasteful number, since it uses less digits than its factorization.

72022943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1273.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 72022943 is about 8486.6331957968. The cubic root of 72022943 is about 416.0609482169.

The spelling of 72022943 in words is "seventy-two million, twenty-two thousand, nine hundred forty-three".