63670634 has 16 divisors (see below), whose sum is σ = 100699200. Its totient is φ = 30109824.

The previous prime is 63670619. The next prime is 63670643. The reversal of 63670634 is 43607636.

It is a junction number, because it is equal to n+sod(n) for n = 63670594 and 63670603.

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, 32762 + ... + 34650.

It is an arithmetic number, because the mean of its divisors is an integer number (6293700).

Almost surely, 2^63670634 is an apocalyptic number.

63670634 is a deficient number, since it is larger than the sum of its proper divisors (37028566).

63670634 is a wasteful number, since it uses less digits than its factorization.

63670634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2797.

The product of its (nonzero) digits is 54432, while the sum is 35.

The square root of 63670634 is about 7979.3880717759. The cubic root of 63670634 is about 399.3126403517.

The spelling of 63670634 in words is "sixty-three million, six hundred seventy thousand, six hundred thirty-four".