72427803 has 16 divisors (see below), whose sum is σ = 116858880. Its totient is φ = 38952576.

The previous prime is 72427793. The next prime is 72427879. The reversal of 72427803 is 30872427.

It is not a de Polignac number, because 72427803 - 2⁸ = 72427547 is a prime.

It is not an unprimeable number, because it can be changed into a prime (72422803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 101083 + ... + 101796.

It is an arithmetic number, because the mean of its divisors is an integer number (7303680).

Almost surely, 2^72427803 is an apocalyptic number.

72427803 is a deficient number, since it is larger than the sum of its proper divisors (44431077).

72427803 is a wasteful number, since it uses less digits than its factorization.

72427803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202906.

The product of its (nonzero) digits is 18816, while the sum is 33.

The square root of 72427803 is about 8510.4525731597. The cubic root of 72427803 is about 416.8390881779.

The spelling of 72427803 in words is "seventy-two million, four hundred twenty-seven thousand, eight hundred three".