72600043 has 4 divisors (see below), whose sum is σ = 72632160. Its totient is φ = 72567928.

The previous prime is 72600023. The next prime is 72600049. The reversal of 72600043 is 34000627.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34000627 = 349 ⋅97423.

It is a cyclic number.

It is not a de Polignac number, because 72600043 - 2⁹ = 72599531 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 72599987 and 72600023.

It is not an unprimeable number, because it can be changed into a prime (72600049) 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, 12388 + ... + 17281.

It is an arithmetic number, because the mean of its divisors is an integer number (18158040).

Almost surely, 2^72600043 is an apocalyptic number.

72600043 is a deficient number, since it is larger than the sum of its proper divisors (32117).

72600043 is a wasteful number, since it uses less digits than its factorization.

72600043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32116.

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 72600043 is about 8520.5658849633. The cubic root of 72600043 is about 417.1692538687.

The spelling of 72600043 in words is "seventy-two million, six hundred thousand, forty-three".