72247255992576 has 216 divisors, whose sum is σ = 250594467206720. Its totient is φ = 19555648155648.

The previous prime is 72247255992533. The next prime is 72247255992577. The reversal of 72247255992576 is 67529955274227.

72247255992576 is a `hidden beast` number, since 7 + 2 + 2 + 4 + 7 + 2 + 5 + 599 + 25 + 7 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is not an unprimeable number, because it can be changed into a prime (72247255992577) 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, 117578215 + ... + 118191078.

Almost surely, 2^{72247255992576} is an apocalyptic number.

72247255992576 is a gapful number since it is divisible by the number (76) formed by its first and last digit.

It is an amenable number.

72247255992576 is an abundant number, since it is smaller than the sum of its proper divisors (178347211214144).

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

72247255992576 is a wasteful number, since it uses less digits than its factorization.

72247255992576 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235769341 (or 235769324 counting only the distinct ones).

The product of its digits is 1333584000, while the sum is 72.

The spelling of 72247255992576 in words is "seventy-two trillion, two hundred forty-seven billion, two hundred fifty-five million, nine hundred ninety-two thousand, five hundred seventy-six".