72103512480 has 48 divisors (see below), whose sum is σ = 227126065824. Its totient is φ = 19227603200.

The previous prime is 72103512473. The next prime is 72103512499. The reversal of 72103512480 is 8421530127.

It is a tau number, because it is divible by the number of its divisors (48).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75107346 + ... + 75108305.

It is an arithmetic number, because the mean of its divisors is an integer number (4731793038).

Almost surely, 2^72103512480 is an apocalyptic number.

It is an amenable number.

72103512480 is an abundant number, since it is smaller than the sum of its proper divisors (155022553344).

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

72103512480 is a wasteful number, since it uses less digits than its factorization.

72103512480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150215669 (or 150215661 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 33.

The spelling of 72103512480 in words is "seventy-two billion, one hundred three million, five hundred twelve thousand, four hundred eighty".