72201400802 has 4 divisors (see below), whose sum is σ = 108302101206. Its totient is φ = 36100700400.

The previous prime is 72201400787. The next prime is 72201400811. The reversal of 72201400802 is 20800410227.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 39848543641 + 32352857161 = 199621^2 + 179869^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18050350199 + ... + 18050350202.

Almost surely, 2^72201400802 is an apocalyptic number.

72201400802 is a deficient number, since it is larger than the sum of its proper divisors (36100700404).

72201400802 is a wasteful number, since it uses less digits than its factorization.

72201400802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36100700403.

The product of its (nonzero) digits is 1792, while the sum is 26.

The spelling of 72201400802 in words is "seventy-two billion, two hundred one million, four hundred thousand, eight hundred two".