80642274 has 8 divisors (see below), whose sum is σ = 161284560. Its totient is φ = 26880756.

The previous prime is 80642273. The next prime is 80642279. The reversal of 80642274 is 47224608.

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

80642274 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (80642273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6720184 + ... + 6720195.

It is an arithmetic number, because the mean of its divisors is an integer number (20160570).

Almost surely, 2^80642274 is an apocalyptic number.

80642274 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

80642274 is a wasteful number, since it uses less digits than its factorization.

80642274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13440384.

The product of its (nonzero) digits is 21504, while the sum is 33.

The square root of 80642274 is about 8980.1043423782. The cubic root of 80642274 is about 432.0369802877.

The spelling of 80642274 in words is "eighty million, six hundred forty-two thousand, two hundred seventy-four".