80189072 has 10 divisors (see below), whose sum is σ = 155366358. Its totient is φ = 40094528.

The previous prime is 80189069. The next prime is 80189099. The reversal of 80189072 is 27098108.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 71639296 + 8549776 = 8464^2 + 2924^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2505893 + ... + 2505924.

Almost surely, 2^80189072 is an apocalyptic number.

It is an amenable number.

80189072 is a deficient number, since it is larger than the sum of its proper divisors (75177286).

80189072 is a wasteful number, since it uses less digits than its factorization.

80189072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5011825 (or 5011819 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 35.

The square root of 80189072 is about 8954.8351185268. The cubic root of 80189072 is about 431.2261236658.

The spelling of 80189072 in words is "eighty million, one hundred eighty-nine thousand, seventy-two".