63974358 has 48 divisors (see below), whose sum is σ = 160442880. Its totient is φ = 18044208.

The previous prime is 63974341. The next prime is 63974363. The reversal of 63974358 is 85347936.

63974358 is a `hidden beast` number, since 639 + 7 + 4 + 3 + 5 + 8 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6741 + ... + 13167.

It is an arithmetic number, because the mean of its divisors is an integer number (3342560).

Almost surely, 2^63974358 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63974358, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80221440).

63974358 is an abundant number, since it is smaller than the sum of its proper divisors (96468522).

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

63974358 is a wasteful number, since it uses less digits than its factorization.

63974358 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6521 (or 6518 counting only the distinct ones).

The product of its digits is 544320, while the sum is 45.

The square root of 63974358 is about 7998.3972144424. The cubic root of 63974358 is about 399.9465720306.

The spelling of 63974358 in words is "sixty-three million, nine hundred seventy-four thousand, three hundred fifty-eight".