72748003 has 8 divisors (see below), whose sum is σ = 74214000. Its totient is φ = 71289888.

The previous prime is 72748001. The next prime is 72748009. The reversal of 72748003 is 30084727.

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

It is a cyclic number.

It is not a de Polignac number, because 72748003 - 2¹ = 72748001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72748001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18825 + ... + 22357.

It is an arithmetic number, because the mean of its divisors is an integer number (9276750).

Almost surely, 2^72748003 is an apocalyptic number.

72748003 is a deficient number, since it is larger than the sum of its proper divisors (1465997).

72748003 is a wasteful number, since it uses less digits than its factorization.

72748003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3941.

The product of its (nonzero) digits is 9408, while the sum is 31.

The square root of 72748003 is about 8529.2439875994. The cubic root of 72748003 is about 417.4524606729.

The spelling of 72748003 in words is "seventy-two million, seven hundred forty-eight thousand, three".