72308802 has 16 divisors (see below), whose sum is σ = 149283072. Its totient is φ = 23325360.

The previous prime is 72308791. The next prime is 72308809. The reversal of 72308802 is 20880327.

It is a self number, because there is not a number n which added to its sum of digits gives 72308802.

It is not an unprimeable number, because it can be changed into a prime (72308809) 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 7 ways as a sum of consecutive naturals, for example, 194193 + ... + 194564.

It is an arithmetic number, because the mean of its divisors is an integer number (9330192).

Almost surely, 2^72308802 is an apocalyptic number.

72308802 is an abundant number, since it is smaller than the sum of its proper divisors (76974270).

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

72308802 is a wasteful number, since it uses less digits than its factorization.

72308802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388793.

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 72308802 is about 8503.4582376819. The cubic root of 72308802 is about 416.6106700926.

The spelling of 72308802 in words is "seventy-two million, three hundred eight thousand, eight hundred two".