80742074 has 16 divisors (see below), whose sum is σ = 138622848. Its totient is φ = 34551792.

The previous prime is 80742071. The next prime is 80742097. The reversal of 80742074 is 47024708.

It is a self number, because there is not a number n which added to its sum of digits gives 80742074.

It is not an unprimeable number, because it can be changed into a prime (80742071) 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 7 ways as a sum of consecutive naturals, for example, 6212 + ... + 14144.

It is an arithmetic number, because the mean of its divisors is an integer number (8663928).

Almost surely, 2^80742074 is an apocalyptic number.

80742074 is a deficient number, since it is larger than the sum of its proper divisors (57880774).

80742074 is a wasteful number, since it uses less digits than its factorization.

80742074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8669.

The product of its (nonzero) digits is 12544, while the sum is 32.

The square root of 80742074 is about 8985.6593525461. The cubic root of 80742074 is about 432.2151313322.

The spelling of 80742074 in words is "eighty million, seven hundred forty-two thousand, seventy-four".