72476543 has 8 divisors (see below), whose sum is σ = 76555776. Its totient is φ = 68506200.

The previous prime is 72476471. The next prime is 72476567. The reversal of 72476543 is 34567427.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-72476543 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 72476497 and 72476506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72476743) 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, 25853 + ... + 28518.

It is an arithmetic number, because the mean of its divisors is an integer number (9569472).

Almost surely, 2^72476543 is an apocalyptic number.

72476543 is a deficient number, since it is larger than the sum of its proper divisors (4079233).

72476543 is a wasteful number, since it uses less digits than its factorization.

72476543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54445.

The product of its digits is 141120, while the sum is 38.

The square root of 72476543 is about 8513.3156290602. The cubic root of 72476543 is about 416.9325706099.

The spelling of 72476543 in words is "seventy-two million, four hundred seventy-six thousand, five hundred forty-three".