63667090 has 16 divisors (see below), whose sum is σ = 117266688. Its totient is φ = 24874416.

The previous prime is 63667063. The next prime is 63667099. The reversal of 63667090 is 9076636.

It is a super-3 number, since 3×63667090³ (a number of 24 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (63667099) 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, 73602 + ... + 74461.

It is an arithmetic number, because the mean of its divisors is an integer number (7329168).

Almost surely, 2^63667090 is an apocalyptic number.

63667090 is a deficient number, since it is larger than the sum of its proper divisors (53599598).

63667090 is a wasteful number, since it uses less digits than its factorization.

63667090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148113.

The product of its (nonzero) digits is 40824, while the sum is 37.

The square root of 63667090 is about 7979.1659965187. The cubic root of 63667090 is about 399.3052314403.

It can be divided in two parts, 6366 and 7090, that added together give a square (13456 = 116²).

The spelling of 63667090 in words is "sixty-three million, six hundred sixty-seven thousand, ninety".