63690430 has 16 divisors (see below), whose sum is σ = 118341504. Its totient is φ = 24654240.

The previous prime is 63690421. The next prime is 63690437. The reversal of 63690430 is 3409636.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a junction number, because it is equal to n+sod(n) for n = 63690392 and 63690401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63690437) 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, 102417 + ... + 103036.

It is an arithmetic number, because the mean of its divisors is an integer number (7396344).

Almost surely, 2^63690430 is an apocalyptic number.

63690430 is a deficient number, since it is larger than the sum of its proper divisors (54651074).

63690430 is a wasteful number, since it uses less digits than its factorization.

63690430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205491.

The product of its (nonzero) digits is 11664, while the sum is 31.

The square root of 63690430 is about 7980.6284213713. The cubic root of 63690430 is about 399.3540198357.

The spelling of 63690430 in words is "sixty-three million, six hundred ninety thousand, four hundred thirty".