80690752 has 28 divisors (see below), whose sum is σ = 160500060. Its totient is φ = 40249856.

The previous prime is 80690749. The next prime is 80690761. The reversal of 80690752 is 25709608.

It can be written as a sum of positive squares in 2 ways, for example, as 53816896 + 26873856 = 7336^2 + 5184^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31338 + ... + 33814.

It is an arithmetic number, because the mean of its divisors is an integer number (5732145).

Almost surely, 2^80690752 is an apocalyptic number.

It is an amenable number.

80690752 is a deficient number, since it is larger than the sum of its proper divisors (79809308).

80690752 is a wasteful number, since it uses less digits than its factorization.

80690752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2998 (or 2988 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 80690752 is about 8982.8031259735. The cubic root of 80690752 is about 432.1235357720.

The spelling of 80690752 in words is "eighty million, six hundred ninety thousand, seven hundred fifty-two".