72150085802 has 8 divisors (see below), whose sum is σ = 108265324356. Its totient is φ = 36061644352.

The previous prime is 72150085793. The next prime is 72150085807. The reversal of 72150085802 is 20858005127.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 67019372161 + 5130713641 = 258881^2 + 71629^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (72150085807) 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, 6692543 + ... + 6703314.

Almost surely, 2^72150085802 is an apocalyptic number.

72150085802 is a deficient number, since it is larger than the sum of its proper divisors (36115238554).

72150085802 is a wasteful number, since it uses less digits than its factorization.

72150085802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13398552.

The product of its (nonzero) digits is 44800, while the sum is 38.

The spelling of 72150085802 in words is "seventy-two billion, one hundred fifty million, eighty-five thousand, eight hundred two".