80368730 has 32 divisors (see below), whose sum is σ = 157359888. Its totient is φ = 29376000.

The previous prime is 80368703. The next prime is 80368751. The reversal of 80368730 is 3786308.

It can be written as a sum of positive squares in 8 ways, for example, as 25030009 + 55338721 = 5003^2 + 7439^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10070 + ... + 16190.

Almost surely, 2^80368730 is an apocalyptic number.

80368730 is a deficient number, since it is larger than the sum of its proper divisors (76991158).

80368730 is a wasteful number, since it uses less digits than its factorization.

80368730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6242.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 80368730 is about 8964.8608466613. The cubic root of 80368730 is about 431.5479274359.

The spelling of 80368730 in words is "eighty million, three hundred sixty-eight thousand, seven hundred thirty".