72484943 has 4 divisors (see below), whose sum is σ = 76299960. Its totient is φ = 68669928.

The previous prime is 72484939. The next prime is 72484963. The reversal of 72484943 is 34948427.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34948427 = 683 ⋅51169.

It is a cyclic number.

It is not a de Polignac number, because 72484943 - 2² = 72484939 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 72484943.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72484933) 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, 1907480 + ... + 1907517.

It is an arithmetic number, because the mean of its divisors is an integer number (19074990).

Almost surely, 2^72484943 is an apocalyptic number.

72484943 is a deficient number, since it is larger than the sum of its proper divisors (3815017).

72484943 is a wasteful number, since it uses less digits than its factorization.

72484943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3815016.

The product of its digits is 193536, while the sum is 41.

The square root of 72484943 is about 8513.8089595668. The cubic root of 72484943 is about 416.9486774226.

The spelling of 72484943 in words is "seventy-two million, four hundred eighty-four thousand, nine hundred forty-three".