80734973 has 4 divisors (see below), whose sum is σ = 88074528. Its totient is φ = 73395420.

The previous prime is 80734967. The next prime is 80735029. The reversal of 80734973 is 37943708.

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 80734973 - 2⁴ = 80734957 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 80734973.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80734963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3669761 + ... + 3669782.

It is an arithmetic number, because the mean of its divisors is an integer number (22018632).

Almost surely, 2^80734973 is an apocalyptic number.

It is an amenable number.

80734973 is a deficient number, since it is larger than the sum of its proper divisors (7339555).

80734973 is a wasteful number, since it uses less digits than its factorization.

80734973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7339554.

The product of its (nonzero) digits is 127008, while the sum is 41.

The square root of 80734973 is about 8985.2642142566. The cubic root of 80734973 is about 432.2024603274.

The spelling of 80734973 in words is "eighty million, seven hundred thirty-four thousand, nine hundred seventy-three".