80010720 has 96 divisors (see below), whose sum is σ = 280052640. Its totient is φ = 21335040.

The previous prime is 80010719. The next prime is 80010727. The reversal of 80010720 is 2701008.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 80010693 and 80010702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80010727) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 4941 + ... + 13580.

It is an arithmetic number, because the mean of its divisors is an integer number (2917215).

Almost surely, 2^80010720 is an apocalyptic number.

80010720 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

80010720 is an abundant number, since it is smaller than the sum of its proper divisors (200041920).

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

80010720 is a wasteful number, since it uses less digits than its factorization.

80010720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18545 (or 18531 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 18.

The square root of 80010720 is about 8944.8711561431. The cubic root of 80010720 is about 430.9061834300.

Adding to 80010720 its reverse (2701008), we get a palindrome (82711728).

The spelling of 80010720 in words is "eighty million, ten thousand, seven hundred twenty".