63434070 has 64 divisors (see below), whose sum is σ = 193328640. Its totient is φ = 14498784.

The previous prime is 63434053. The next prime is 63434071. The reversal of 63434070 is 7043436.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63434071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14892 + ... + 18671.

It is an arithmetic number, because the mean of its divisors is an integer number (3020760).

Almost surely, 2^63434070 is an apocalyptic number.

63434070 is an abundant number, since it is smaller than the sum of its proper divisors (129894570).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

63434070 is a wasteful number, since it uses less digits than its factorization.

63434070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33586 (or 33580 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 27.

The square root of 63434070 is about 7964.5508347929. The cubic root of 63434070 is about 398.8174867677.

The spelling of 63434070 in words is "sixty-three million, four hundred thirty-four thousand, seventy".