80757412 has 24 divisors (see below), whose sum is σ = 152099640. Its totient is φ = 37378560.

The previous prime is 80757407. The next prime is 80757437. The reversal of 80757412 is 21475708.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2328676 + 78428736 = 1526^2 + 8856^2 .

It is a Harshad number since it is a multiple of its sum of digits (34).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5587 + ... + 13882.

It is an arithmetic number, because the mean of its divisors is an integer number (6337485).

Almost surely, 2^80757412 is an apocalyptic number.

It is an amenable number.

80757412 is a deficient number, since it is larger than the sum of its proper divisors (71342228).

80757412 is a wasteful number, since it uses less digits than its factorization.

80757412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19551 (or 19549 counting only the distinct ones).

The product of its (nonzero) digits is 15680, while the sum is 34.

The square root of 80757412 is about 8986.5127830544. The cubic root of 80757412 is about 432.2424978820.

The spelling of 80757412 in words is "eighty million, seven hundred fifty-seven thousand, four hundred twelve".