80494534 has 4 divisors (see below), whose sum is σ = 120741804. Its totient is φ = 40247266.

The previous prime is 80494511. The next prime is 80494543. The reversal of 80494534 is 43549408.

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

It is a junction number, because it is equal to n+sod(n) for n = 80494493 and 80494502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20123632 + ... + 20123635.

It is an arithmetic number, because the mean of its divisors is an integer number (30185451).

Almost surely, 2^80494534 is an apocalyptic number.

80494534 is a deficient number, since it is larger than the sum of its proper divisors (40247270).

80494534 is a wasteful number, since it uses less digits than its factorization.

80494534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40247269.

The product of its (nonzero) digits is 69120, while the sum is 37.

The square root of 80494534 is about 8971.8746090212. The cubic root of 80494534 is about 431.7729824313.

The spelling of 80494534 in words is "eighty million, four hundred ninety-four thousand, five hundred thirty-four".