72261969060 has 48 divisors (see below), whose sum is σ = 208860406272. Its totient is φ = 18648249600.

The previous prime is 72261969049. The next prime is 72261969113. The reversal of 72261969060 is 6096916227.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19423401 + ... + 19427120.

It is an arithmetic number, because the mean of its divisors is an integer number (4351258464).

Almost surely, 2^72261969060 is an apocalyptic number.

It is an amenable number.

72261969060 is an abundant number, since it is smaller than the sum of its proper divisors (136598437212).

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

72261969060 is a wasteful number, since it uses less digits than its factorization.

72261969060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38850564 (or 38850562 counting only the distinct ones).

The product of its (nonzero) digits is 489888, while the sum is 48.

The spelling of 72261969060 in words is "seventy-two billion, two hundred sixty-one million, nine hundred sixty-nine thousand, sixty".