72843067 has 4 divisors (see below), whose sum is σ = 79465176. Its totient is φ = 66220960.

The previous prime is 72843061. The next prime is 72843073. The reversal of 72843067 is 76034827.

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

It is an interprime number because it is at equal distance from previous prime (72843061) and next prime (72843073).

It is a cyclic number.

It is not a de Polignac number, because 72843067 - 2³ = 72843059 is a prime.

It is a super-2 number, since 2×72843067² = 10612224819932978, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72843061) 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, 3311038 + ... + 3311059.

It is an arithmetic number, because the mean of its divisors is an integer number (19866294).

Almost surely, 2^72843067 is an apocalyptic number.

72843067 is a deficient number, since it is larger than the sum of its proper divisors (6622109).

72843067 is a wasteful number, since it uses less digits than its factorization.

72843067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6622108.

The product of its (nonzero) digits is 56448, while the sum is 37.

The square root of 72843067 is about 8534.8149950658. The cubic root of 72843067 is about 417.6342179057.

The spelling of 72843067 in words is "seventy-two million, eight hundred forty-three thousand, sixty-seven".