80523070 has 16 divisors (see below), whose sum is σ = 145595520. Its totient is φ = 32063904.

The previous prime is 80523049. The next prime is 80523071. The reversal of 80523070 is 7032508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80523071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15825 + ... + 20284.

It is an arithmetic number, because the mean of its divisors is an integer number (9099720).

Almost surely, 2^80523070 is an apocalyptic number.

80523070 is a deficient number, since it is larger than the sum of its proper divisors (65072450).

80523070 is a wasteful number, since it uses less digits than its factorization.

80523070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36339.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 80523070 is about 8973.4647712018. The cubic root of 80523070 is about 431.8239988069.

Adding to 80523070 its reverse (7032508), we get a palindrome (87555578).

The spelling of 80523070 in words is "eighty million, five hundred twenty-three thousand, seventy".