80670634 has 16 divisors (see below), whose sum is σ = 136559520. Its totient is φ = 35403760.

The previous prime is 80670631. The next prime is 80670671. The reversal of 80670634 is 43607608.

It is a self number, because there is not a number n which added to its sum of digits gives 80670634.

It is not an unprimeable number, because it can be changed into a prime (80670631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62584 + ... + 63859.

It is an arithmetic number, because the mean of its divisors is an integer number (8534970).

Almost surely, 2^80670634 is an apocalyptic number.

80670634 is a deficient number, since it is larger than the sum of its proper divisors (55888886).

80670634 is a wasteful number, since it uses less digits than its factorization.

80670634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126485.

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 80670634 is about 8981.6832498146. The cubic root of 80670634 is about 432.0876201160.

The spelling of 80670634 in words is "eighty million, six hundred seventy thousand, six hundred thirty-four".