63542070 has 96 divisors (see below), whose sum is σ = 174021120. Its totient is φ = 16679520.

The previous prime is 63542069. The next prime is 63542113. The reversal of 63542070 is 7024536.

It is a happy number.

63542070 is a `hidden beast` number, since 635 + 4 + 20 + 7 + 0 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 191805 + ... + 192135.

It is an arithmetic number, because the mean of its divisors is an integer number (1812720).

Almost surely, 2^63542070 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63542070, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87010560).

63542070 is an abundant number, since it is smaller than the sum of its proper divisors (110479050).

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

63542070 is a wasteful number, since it uses less digits than its factorization.

63542070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 432 (or 420 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 63542070 is about 7971.3279947572. The cubic root of 63542070 is about 399.0436946890.

The spelling of 63542070 in words is "sixty-three million, five hundred forty-two thousand, seventy".