72015252032763 has 128 divisors (see below), whose sum is σ = 121670954496000. Its totient is φ = 41732226224640.

The previous prime is 72015252032761. The next prime is 72015252032819. The reversal of 72015252032763 is 36723025251027.

It is a happy number.

72015252032763 is a `hidden beast` number, since 7 + 2 + 0 + 1 + 52 + 520 + 3 + 2 + 76 + 3 = 666.

It is not a de Polignac number, because 72015252032763 - 2¹ = 72015252032761 is a prime.

It is not an unprimeable number, because it can be changed into a prime (72015252032761) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 2671274478 + ... + 2671301436.

It is an arithmetic number, because the mean of its divisors is an integer number (950554332000).

Almost surely, 2^{72015252032763} is an apocalyptic number.

72015252032763 is a deficient number, since it is larger than the sum of its proper divisors (49655702463237).

72015252032763 is a wasteful number, since it uses less digits than its factorization.

72015252032763 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29394 (or 29388 counting only the distinct ones).

The product of its (nonzero) digits is 1058400, while the sum is 45.

The spelling of 72015252032763 in words is "seventy-two trillion, fifteen billion, two hundred fifty-two million, thirty-two thousand, seven hundred sixty-three".