72994908246 has 48 divisors (see below), whose sum is σ = 162356261904. Its totient is φ = 21852934272.

The previous prime is 72994908241. The next prime is 72994908247. The reversal of 72994908246 is 64280949927.

It is a self number, because there is not a number n which added to its sum of digits gives 72994908246.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72994908241) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 935281 + ... + 1010316.

It is an arithmetic number, because the mean of its divisors is an integer number (3382422123).

Almost surely, 2^72994908246 is an apocalyptic number.

72994908246 is an abundant number, since it is smaller than the sum of its proper divisors (89361353658).

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

72994908246 is a wasteful number, since it uses less digits than its factorization.

72994908246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1945665 (or 1945652 counting only the distinct ones).

The product of its (nonzero) digits is 15676416, while the sum is 60.

The spelling of 72994908246 in words is "seventy-two billion, nine hundred ninety-four million, nine hundred eight thousand, two hundred forty-six".