63670772 has 12 divisors (see below), whose sum is σ = 121553376. Its totient is φ = 28941240.

The previous prime is 63670771. The next prime is 63670781. The reversal of 63670772 is 27707636.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63670771) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 723488 + ... + 723575.

It is an arithmetic number, because the mean of its divisors is an integer number (10129448).

Almost surely, 2^63670772 is an apocalyptic number.

It is an amenable number.

63670772 is a deficient number, since it is larger than the sum of its proper divisors (57882604).

63670772 is a wasteful number, since it uses less digits than its factorization.

63670772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1447078 (or 1447076 counting only the distinct ones).

The product of its (nonzero) digits is 74088, while the sum is 38.

The square root of 63670772 is about 7979.3967190509. The cubic root of 63670772 is about 399.3129288421.

The spelling of 63670772 in words is "sixty-three million, six hundred seventy thousand, seven hundred seventy-two".