80671494 has 16 divisors (see below), whose sum is σ = 170833968. Its totient is φ = 25308672.

The previous prime is 80671489. The next prime is 80671531. The reversal of 80671494 is 49417608.

It is a happy number.

It is a Curzon number.

It is a congruent number.

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, 395347 + ... + 395550.

It is an arithmetic number, because the mean of its divisors is an integer number (10677123).

Almost surely, 2^80671494 is an apocalyptic number.

80671494 is an abundant number, since it is smaller than the sum of its proper divisors (90162474).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

80671494 is a wasteful number, since it uses less digits than its factorization.

80671494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 790919.

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 80671494 is about 8981.7311249001. The cubic root of 80671494 is about 432.0891555530.

The spelling of 80671494 in words is "eighty million, six hundred seventy-one thousand, four hundred ninety-four".