72860251650 has 48 divisors (see below), whose sum is σ = 180784560000. Its totient is φ = 19419600960.

The previous prime is 72860251649. The next prime is 72860251679. The reversal of 72860251650 is 5615206827.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 178356 + ... + 421344.

It is an arithmetic number, because the mean of its divisors is an integer number (3766345000).

Almost surely, 2^72860251650 is an apocalyptic number.

72860251650 is an abundant number, since it is smaller than the sum of its proper divisors (107924308350).

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

72860251650 is a wasteful number, since it uses less digits than its factorization.

72860251650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245003 (or 244998 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 42.

The spelling of 72860251650 in words is "seventy-two billion, eight hundred sixty million, two hundred fifty-one thousand, six hundred fifty".