72348834540 has 96 divisors (see below), whose sum is σ = 203203256256. Its totient is φ = 19233464320.

The previous prime is 72348834539. The next prime is 72348834541. The reversal of 72348834540 is 4543884327.

It is an interprime number because it is at equal distance from previous prime (72348834539) and next prime (72348834541).

It is a self number, because there is not a number n which added to its sum of digits gives 72348834540.

It is not an unprimeable number, because it can be changed into a prime (72348834541) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 48850600 + ... + 48852080.

It is an arithmetic number, because the mean of its divisors is an integer number (2116700586).

Almost surely, 2^72348834540 is an apocalyptic number.

It is an amenable number.

72348834540 is an abundant number, since it is smaller than the sum of its proper divisors (130854421716).

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

72348834540 is a wasteful number, since it uses less digits than its factorization.

72348834540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3459 (or 3457 counting only the distinct ones).

The product of its (nonzero) digits is 2580480, while the sum is 48.

The spelling of 72348834540 in words is "seventy-two billion, three hundred forty-eight million, eight hundred thirty-four thousand, five hundred forty".