80521374 has 8 divisors (see below), whose sum is σ = 161042760. Its totient is φ = 26840456.

The previous prime is 80521369. The next prime is 80521391. The reversal of 80521374 is 47312508.

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

80521374 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6710109 + ... + 6710120.

It is an arithmetic number, because the mean of its divisors is an integer number (20130345).

Almost surely, 2^80521374 is an apocalyptic number.

80521374 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.

80521374 is a wasteful number, since it uses less digits than its factorization.

80521374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13420234.

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 80521374 is about 8973.3702698596. The cubic root of 80521374 is about 431.8209670520.

The spelling of 80521374 in words is "eighty million, five hundred twenty-one thousand, three hundred seventy-four".