15072077472 has 24 divisors (see below), whose sum is σ = 39564203616. Its totient is φ = 5024025792.

The previous prime is 15072077467. The next prime is 15072077483. The reversal of 15072077472 is 27477027051.

It is a tau number, because it is divible by the number of its divisors (24).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78500308 + ... + 78500499.

It is an arithmetic number, because the mean of its divisors is an integer number (1648508484).

Almost surely, 2^15072077472 is an apocalyptic number.

15072077472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

15072077472 is an abundant number, since it is smaller than the sum of its proper divisors (24492126144).

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

15072077472 is a wasteful number, since it uses less digits than its factorization.

15072077472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157000820 (or 157000812 counting only the distinct ones).

The product of its (nonzero) digits is 192080, while the sum is 42.

The spelling of 15072077472 in words is "fifteen billion, seventy-two million, seventy-seven thousand, four hundred seventy-two".