80763732 has 72 divisors (see below), whose sum is σ = 237758976. Its totient is φ = 22636224.

The previous prime is 80763721. The next prime is 80763733. The reversal of 80763732 is 23736708.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80763733) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10333 + ... + 16379.

It is an arithmetic number, because the mean of its divisors is an integer number (3302208).

Almost surely, 2^80763732 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80763732, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118879488).

80763732 is an abundant number, since it is smaller than the sum of its proper divisors (156995244).

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

80763732 is a wasteful number, since it uses less digits than its factorization.

80763732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6117 (or 6112 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 36.

The square root of 80763732 is about 8986.8644142437. The cubic root of 80763732 is about 432.2537732199.

The spelling of 80763732 in words is "eighty million, seven hundred sixty-three thousand, seven hundred thirty-two".