28067437072 has 20 divisors (see below), whose sum is σ = 54888893136. Its totient is φ = 13902561440.

The previous prime is 28067437063. The next prime is 28067437081. The reversal of 28067437072 is 27073476082.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (28067437063) and next prime (28067437081).

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, 8195554 + ... + 8198977.

Almost surely, 2^28067437072 is an apocalyptic number.

It is an amenable number.

28067437072 is a deficient number, since it is larger than the sum of its proper divisors (26821456064).

28067437072 is a wasteful number, since it uses less digits than its factorization.

28067437072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16394646 (or 16394640 counting only the distinct ones).

The product of its (nonzero) digits is 790272, while the sum is 46.

The spelling of 28067437072 in words is "twenty-eight billion, sixty-seven million, four hundred thirty-seven thousand, seventy-two".