72424703 has 4 divisors (see below), whose sum is σ = 77995848. Its totient is φ = 66853560.

The previous prime is 72424691. The next prime is 72424763. The reversal of 72424703 is 30742427.

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

It is a cyclic number.

It is not a de Polignac number, because 72424703 - 2¹⁶ = 72359167 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72424763) 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, 2785553 + ... + 2785578.

It is an arithmetic number, because the mean of its divisors is an integer number (19498962).

Almost surely, 2^72424703 is an apocalyptic number.

72424703 is a deficient number, since it is larger than the sum of its proper divisors (5571145).

72424703 is a wasteful number, since it uses less digits than its factorization.

72424703 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5571144.

The product of its (nonzero) digits is 9408, while the sum is 29.

The square root of 72424703 is about 8510.2704422363. The cubic root of 72424703 is about 416.8331410160.

The spelling of 72424703 in words is "seventy-two million, four hundred twenty-four thousand, seven hundred three".