72838703 has 8 divisors (see below), whose sum is σ = 83297280. Its totient is φ = 62393400.

The previous prime is 72838699. The next prime is 72838729. The reversal of 72838703 is 30783827.

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 72838703 - 2² = 72838699 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 (72838763) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15818 + ... + 19896.

It is an arithmetic number, because the mean of its divisors is an integer number (10412160).

Almost surely, 2^72838703 is an apocalyptic number.

72838703 is a deficient number, since it is larger than the sum of its proper divisors (10458577).

72838703 is a wasteful number, since it uses less digits than its factorization.

72838703 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6637.

The product of its (nonzero) digits is 56448, while the sum is 38.

The square root of 72838703 is about 8534.5593325022. The cubic root of 72838703 is about 417.6258776376.

The spelling of 72838703 in words is "seventy-two million, eight hundred thirty-eight thousand, seven hundred three".