72507384911 has 8 divisors (see below), whose sum is σ = 78090366480. Its totient is φ = 66925187712.

The previous prime is 72507384857. The next prime is 72507384919. The reversal of 72507384911 is 11948370527.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 72507384911 - 2²² = 72503190607 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72507384919) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3431 + ... + 380823.

It is an arithmetic number, because the mean of its divisors is an integer number (9761295810).

Almost surely, 2^72507384911 is an apocalyptic number.

72507384911 is a deficient number, since it is larger than the sum of its proper divisors (5582981569).

72507384911 is a wasteful number, since it uses less digits than its factorization.

72507384911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392185.

The product of its (nonzero) digits is 423360, while the sum is 47.

The spelling of 72507384911 in words is "seventy-two billion, five hundred seven million, three hundred eighty-four thousand, nine hundred eleven".