80742768 has 40 divisors (see below), whose sum is σ = 208915200. Its totient is φ = 26871744.

The previous prime is 80742763. The next prime is 80742773. The reversal of 80742768 is 86724708.

It is an interprime number because it is at equal distance from previous prime (80742763) and next prime (80742773).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80742763) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49063 + ... + 50681.

It is an arithmetic number, because the mean of its divisors is an integer number (5222880).

Almost surely, 2^80742768 is an apocalyptic number.

It is an amenable number.

80742768 is an abundant number, since it is smaller than the sum of its proper divisors (128172432).

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

80742768 is a wasteful number, since it uses less digits than its factorization.

80742768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2669 (or 2663 counting only the distinct ones).

The product of its (nonzero) digits is 150528, while the sum is 42.

The square root of 80742768 is about 8985.6979695514. The cubic root of 80742768 is about 432.2163696641.

The spelling of 80742768 in words is "eighty million, seven hundred forty-two thousand, seven hundred sixty-eight".