72949803 has 4 divisors (see below), whose sum is σ = 97266408. Its totient is φ = 48633200.

The previous prime is 72949777. The next prime is 72949823. The reversal of 72949803 is 30894927.

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 72949803 - 2⁶ = 72949739 is a prime.

It is not an unprimeable number, because it can be changed into a prime (72949823) 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, 12158298 + ... + 12158303.

It is an arithmetic number, because the mean of its divisors is an integer number (24316602).

Almost surely, 2^72949803 is an apocalyptic number.

72949803 is a deficient number, since it is larger than the sum of its proper divisors (24316605).

72949803 is a wasteful number, since it uses less digits than its factorization.

72949803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24316604.

The product of its (nonzero) digits is 108864, while the sum is 42.

The square root of 72949803 is about 8541.0656829227. The cubic root of 72949803 is about 417.8381030198.

The spelling of 72949803 in words is "seventy-two million, nine hundred forty-nine thousand, eight hundred three".