80730502 has 4 divisors (see below), whose sum is σ = 121095756. Its totient is φ = 40365250.

The previous prime is 80730491. The next prime is 80730509. The reversal of 80730502 is 20503708.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80730509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20182624 + ... + 20182627.

It is an arithmetic number, because the mean of its divisors is an integer number (30273939).

Almost surely, 2^80730502 is an apocalyptic number.

80730502 is a deficient number, since it is larger than the sum of its proper divisors (40365254).

80730502 is a wasteful number, since it uses less digits than its factorization.

80730502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40365253.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 80730502 is about 8985.0154145666. The cubic root of 80730502 is about 432.1944819062.

The spelling of 80730502 in words is "eighty million, seven hundred thirty thousand, five hundred two".