63694074 has 16 divisors (see below), whose sum is σ = 130495680. Its totient is φ = 20713440.

The previous prime is 63694039. The next prime is 63694079. The reversal of 63694074 is 47049636.

It is not an unprimeable number, because it can be changed into a prime (63694079) 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 7 ways as a sum of consecutive naturals, for example, 129214 + ... + 129705.

It is an arithmetic number, because the mean of its divisors is an integer number (8155980).

Almost surely, 2^63694074 is an apocalyptic number.

63694074 is an abundant number, since it is smaller than the sum of its proper divisors (66801606).

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

63694074 is a wasteful number, since it uses less digits than its factorization.

63694074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258965.

The product of its (nonzero) digits is 108864, while the sum is 39.

The square root of 63694074 is about 7980.8567209292. The cubic root of 63694074 is about 399.3616359369.

The spelling of 63694074 in words is "sixty-three million, six hundred ninety-four thousand, seventy-four".