80789730 has 48 divisors (see below), whose sum is σ = 225555840. Its totient is φ = 18465888.

The previous prime is 80789713. The next prime is 80789741. The reversal of 80789730 is 3798708.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26010 + ... + 28949.

It is an arithmetic number, because the mean of its divisors is an integer number (4699080).

Almost surely, 2^80789730 is an apocalyptic number.

80789730 is an abundant number, since it is smaller than the sum of its proper divisors (144766110).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

80789730 is a wasteful number, since it uses less digits than its factorization.

80789730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54983 (or 54976 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 42.

The square root of 80789730 is about 8988.3107422919. The cubic root of 80789730 is about 432.3001493498.

The spelling of 80789730 in words is "eighty million, seven hundred eighty-nine thousand, seven hundred thirty".