80013970 has 32 divisors (see below), whose sum is σ = 148091328. Its totient is φ = 31109568.

The previous prime is 80013893. The next prime is 80013977. The reversal of 80013970 is 7931008.

80013970 = 336² + 337² + ... + 652².

It is not an unprimeable number, because it can be changed into a prime (80013977) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 136017 + ... + 136603.

It is an arithmetic number, because the mean of its divisors is an integer number (4627854).

Almost surely, 2^80013970 is an apocalyptic number.

80013970 is a deficient number, since it is larger than the sum of its proper divisors (68077358).

80013970 is a wasteful number, since it uses less digits than its factorization.

80013970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 954.

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 80013970 is about 8945.0528226501. The cubic root of 80013970 is about 430.9120177571.

Adding to 80013970 its reverse (7931008), we get a palindrome (87944978).

The spelling of 80013970 in words is "eighty million, thirteen thousand, nine hundred seventy".