72212043 has 4 divisors (see below), whose sum is σ = 96282728. Its totient is φ = 48141360.

The previous prime is 72212011. The next prime is 72212087. The reversal of 72212043 is 34021227.

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

It is not a de Polignac number, because 72212043 - 2⁵ = 72212011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72212443) 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, 12035338 + ... + 12035343.

It is an arithmetic number, because the mean of its divisors is an integer number (24070682).

Almost surely, 2^72212043 is an apocalyptic number.

72212043 is a deficient number, since it is larger than the sum of its proper divisors (24070685).

72212043 is a wasteful number, since it uses less digits than its factorization.

72212043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24070684.

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 72212043 is about 8497.7669419678. The cubic root of 72212043 is about 416.4247599197.

The spelling of 72212043 in words is "seventy-two million, two hundred twelve thousand, forty-three".