72799970907246 has 384 divisors, whose sum is σ = 181906100490240. Its totient is φ = 19295257681920.

The previous prime is 72799970907149. The next prime is 72799970907283. The reversal of 72799970907246 is 64270907999727.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 1827793260 + ... + 1827833088.

It is an arithmetic number, because the mean of its divisors is an integer number (473713803360).

Almost surely, 2^{72799970907246} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 72799970907246, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90953050245120).

72799970907246 is an abundant number, since it is smaller than the sum of its proper divisors (109106129582994).

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

72799970907246 is a wasteful number, since it uses less digits than its factorization.

72799970907246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40080 (or 40069 counting only the distinct ones).

The product of its (nonzero) digits is 1512284256, while the sum is 78.

The spelling of 72799970907246 in words is "seventy-two trillion, seven hundred ninety-nine billion, nine hundred seventy million, nine hundred seven thousand, two hundred forty-six".