80704745 has 8 divisors (see below), whose sum is σ = 105649920. Its totient is φ = 58694320.

The previous prime is 80704739. The next prime is 80704843. The reversal of 80704745 is 54740708.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 80704745 - 2⁶ = 80704681 is a prime.

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, 733625 + ... + 733734.

It is an arithmetic number, because the mean of its divisors is an integer number (13206240).

Almost surely, 2^80704745 is an apocalyptic number.

It is an amenable number.

80704745 is a deficient number, since it is larger than the sum of its proper divisors (24945175).

80704745 is a wasteful number, since it uses less digits than its factorization.

80704745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1467375.

The product of its (nonzero) digits is 31360, while the sum is 35.

The square root of 80704745 is about 8983.5819693483. The cubic root of 80704745 is about 432.1485132529.

The spelling of 80704745 in words is "eighty million, seven hundred four thousand, seven hundred forty-five".