80735457 has 8 divisors (see below), whose sum is σ = 117433440. Its totient is φ = 48930560.

The previous prime is 80735453. The next prime is 80735471. The reversal of 80735457 is 75453708.

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

It is a cyclic number.

It is not a de Polignac number, because 80735457 - 2² = 80735453 is a prime.

It is not an unprimeable number, because it can be changed into a prime (80735453) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1223232 + ... + 1223297.

It is an arithmetic number, because the mean of its divisors is an integer number (14679180).

Almost surely, 2^80735457 is an apocalyptic number.

It is an amenable number.

80735457 is a deficient number, since it is larger than the sum of its proper divisors (36697983).

80735457 is a wasteful number, since it uses less digits than its factorization.

80735457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2446543.

The product of its (nonzero) digits is 117600, while the sum is 39.

The square root of 80735457 is about 8985.2911472027. The cubic root of 80735457 is about 432.2033239993.

It can be divided in two parts, 8073 and 5457, that added together give a triangular number (13530 = T₁₆₄).

The spelling of 80735457 in words is "eighty million, seven hundred thirty-five thousand, four hundred fifty-seven".