63670072 has 32 divisors (see below), whose sum is σ = 125102880. Its totient is φ = 30321280.

The previous prime is 63670069. The next prime is 63670073. The reversal of 63670072 is 27007636.

It is a nialpdrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63670073) 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, 53322 + ... + 54502.

It is an arithmetic number, because the mean of its divisors is an integer number (3909465).

Almost surely, 2^63670072 is an apocalyptic number.

It is an amenable number.

63670072 is a deficient number, since it is larger than the sum of its proper divisors (61432808).

63670072 is a wasteful number, since it uses less digits than its factorization.

63670072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1503 (or 1499 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 31.

The square root of 63670072 is about 7979.3528559652. The cubic root of 63670072 is about 399.3114654806.

The spelling of 63670072 in words is "sixty-three million, six hundred seventy thousand, seventy-two".