80903706 has 64 divisors (see below), whose sum is σ = 179722368. Its totient is φ = 24127488.

The previous prime is 80903689. The next prime is 80903737. The reversal of 80903706 is 60730908.

It is a happy number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 590470 + ... + 590606.

It is an arithmetic number, because the mean of its divisors is an integer number (2808162).

Almost surely, 2^80903706 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80903706, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89861184).

80903706 is an abundant number, since it is smaller than the sum of its proper divisors (98818662).

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

80903706 is a wasteful number, since it uses less digits than its factorization.

80903706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335.

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 80903706 is about 8994.6487424468. The cubic root of 80903706 is about 432.5033463383.

The spelling of 80903706 in words is "eighty million, nine hundred three thousand, seven hundred six".