80734379 has 4 divisors (see below), whose sum is σ = 88073880. Its totient is φ = 73394880.

The previous prime is 80734369. The next prime is 80734399. The reversal of 80734379 is 97343708.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 80734379 - 2⁸ = 80734123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80734369) 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, 3669734 + ... + 3669755.

It is an arithmetic number, because the mean of its divisors is an integer number (22018470).

Almost surely, 2^80734379 is an apocalyptic number.

80734379 is a deficient number, since it is larger than the sum of its proper divisors (7339501).

80734379 is a wasteful number, since it uses less digits than its factorization.

80734379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7339500.

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

The square root of 80734379 is about 8985.2311600760. The cubic root of 80734379 is about 432.2014003618.

The spelling of 80734379 in words is "eighty million, seven hundred thirty-four thousand, three hundred seventy-nine".