80735458 has 4 divisors (see below), whose sum is σ = 121103190. Its totient is φ = 40367728.

The previous prime is 80735453. The next prime is 80735471. The reversal of 80735458 is 85453708.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 62047129 + 18688329 = 7877^2 + 4323^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 80735458.

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 as a sum of consecutive naturals, namely, 20183863 + ... + 20183866.

Almost surely, 2^80735458 is an apocalyptic number.

80735458 is a deficient number, since it is larger than the sum of its proper divisors (40367732).

80735458 is a wasteful number, since it uses less digits than its factorization.

80735458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40367731.

The product of its (nonzero) digits is 134400, while the sum is 40.

The square root of 80735458 is about 8985.2912028492. The cubic root of 80735458 is about 432.2033257837.

It can be divided in two parts, 8073 and 5458, that added together give a palindrome (13531).

The spelling of 80735458 in words is "eighty million, seven hundred thirty-five thousand, four hundred fifty-eight".