63694356 has 48 divisors (see below), whose sum is σ = 162624000. Its totient is φ = 19242720.

The previous prime is 63694277. The next prime is 63694357. The reversal of 63694356 is 65349636.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63694357) 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, 65385 + ... + 66351.

It is an arithmetic number, because the mean of its divisors is an integer number (3388000).

Almost surely, 2^63694356 is an apocalyptic number.

63694356 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

63694356 is an abundant number, since it is smaller than the sum of its proper divisors (98929644).

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

63694356 is a wasteful number, since it uses less digits than its factorization.

63694356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1484 (or 1482 counting only the distinct ones).

The product of its digits is 349920, while the sum is 42.

The square root of 63694356 is about 7980.8743881858. The cubic root of 63694356 is about 399.3622253158.

The spelling of 63694356 in words is "sixty-three million, six hundred ninety-four thousand, three hundred fifty-six".