63612078 has 32 divisors (see below), whose sum is σ = 129874560. Its totient is φ = 20766240.

The previous prime is 63612077. The next prime is 63612119. The reversal of 63612078 is 87021636.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63612071) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91713 + ... + 92403.

It is an arithmetic number, because the mean of its divisors is an integer number (4058580).

Almost surely, 2^63612078 is an apocalyptic number.

63612078 is an abundant number, since it is smaller than the sum of its proper divisors (66262482).

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

63612078 is a wasteful number, since it uses less digits than its factorization.

63612078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 992.

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 63612078 is about 7975.7180241029. The cubic root of 63612078 is about 399.1901907957.

The spelling of 63612078 in words is "sixty-three million, six hundred twelve thousand, seventy-eight".