72959803 has 4 divisors (see below), whose sum is σ = 83382640. Its totient is φ = 62536968.

The previous prime is 72959779. The next prime is 72959837. The reversal of 72959803 is 30895927.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30895927 = 421 ⋅73387.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-72959803 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 72959803.

It is not an unprimeable number, because it can be changed into a prime (72959303) 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, 5211408 + ... + 5211421.

It is an arithmetic number, because the mean of its divisors is an integer number (20845660).

Almost surely, 2^72959803 is an apocalyptic number.

72959803 is a deficient number, since it is larger than the sum of its proper divisors (10422837).

72959803 is a wasteful number, since it uses less digits than its factorization.

72959803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10422836.

The product of its (nonzero) digits is 136080, while the sum is 43.

The square root of 72959803 is about 8541.6510699045. The cubic root of 72959803 is about 417.8571946415.

The spelling of 72959803 in words is "seventy-two million, nine hundred fifty-nine thousand, eight hundred three".