63074440 has 64 divisors (see below), whose sum is σ = 166743360. Its totient is φ = 21169920.

The previous prime is 63074383. The next prime is 63074461. The reversal of 63074440 is 4447036.

It is a Smith number, since the sum of its digits (28) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 63074399 and 63074408.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 207 + ... + 11233.

It is an arithmetic number, because the mean of its divisors is an integer number (2605365).

Almost surely, 2^63074440 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63074440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83371680).

63074440 is an abundant number, since it is smaller than the sum of its proper divisors (103668920).

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

63074440 is a wasteful number, since it uses less digits than its factorization.

63074440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11062 (or 11058 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 28.

The square root of 63074440 is about 7941.9418280418. The cubic root of 63074440 is about 398.0623792196.

The spelling of 63074440 in words is "sixty-three million, seventy-four thousand, four hundred forty".