80724901 has 8 divisors (see below), whose sum is σ = 85279520. Its totient is φ = 76200912.

The previous prime is 80724881. The next prime is 80724907. The reversal of 80724901 is 10942708.

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

It is a cyclic number.

It is not a de Polignac number, because 80724901 - 2¹⁷ = 80593829 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80724907) 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, 2130 + ... + 12883.

It is an arithmetic number, because the mean of its divisors is an integer number (10659940).

Almost surely, 2^80724901 is an apocalyptic number.

It is an amenable number.

80724901 is a deficient number, since it is larger than the sum of its proper divisors (4554619).

80724901 is a wasteful number, since it uses less digits than its factorization.

80724901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15315.

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 80724901 is about 8984.7037235515. The cubic root of 80724901 is about 432.1844866040.

The spelling of 80724901 in words is "eighty million, seven hundred twenty-four thousand, nine hundred one".