80706073 has 4 divisors (see below), whose sum is σ = 92235520. Its totient is φ = 69176628.

The previous prime is 80706029. The next prime is 80706077. The reversal of 80706073 is 37060708.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 80706073 - 2⁹ = 80705561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80706077) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5764713 + ... + 5764726.

It is an arithmetic number, because the mean of its divisors is an integer number (23058880).

Almost surely, 2^80706073 is an apocalyptic number.

It is an amenable number.

80706073 is a deficient number, since it is larger than the sum of its proper divisors (11529447).

80706073 is a wasteful number, since it uses less digits than its factorization.

80706073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11529446.

The product of its (nonzero) digits is 7056, while the sum is 31.

The square root of 80706073 is about 8983.6558816553. The cubic root of 80706073 is about 432.1508835806.

The spelling of 80706073 in words is "eighty million, seven hundred six thousand, seventy-three".