72099804 has 48 divisors (see below), whose sum is σ = 195431936. Its totient is φ = 20260800.

The previous prime is 72099803. The next prime is 72099827. The reversal of 72099804 is 40899027.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72099803) 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 15 ways as a sum of consecutive naturals, for example, 1912 + ... + 12159.

Almost surely, 2^72099804 is an apocalyptic number.

It is an amenable number.

72099804 is an abundant number, since it is smaller than the sum of its proper divisors (123332132).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72099804 is a wasteful number, since it uses less digits than its factorization.

72099804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14146 (or 14144 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 72099804 is about 8491.1603447350. The cubic root of 72099804 is about 416.2088987184.

The spelling of 72099804 in words is "seventy-two million, ninety-nine thousand, eight hundred four".