63694085 has 16 divisors (see below), whose sum is σ = 94071936. Its totient is φ = 40315968.

The previous prime is 63694079. The next prime is 63694091. The reversal of 63694085 is 58049636.

It is an interprime number because it is at equal distance from previous prime (63694079) and next prime (63694091).

It is not a de Polignac number, because 63694085 - 2¹⁴ = 63677701 is a prime.

It is a Curzon number.

It is a congruent number.

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, 69539 + ... + 70448.

It is an arithmetic number, because the mean of its divisors is an integer number (5879496).

Almost surely, 2^63694085 is an apocalyptic number.

63694085 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

63694085 is a deficient number, since it is larger than the sum of its proper divisors (30377851).

63694085 is a wasteful number, since it uses less digits than its factorization.

63694085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140012.

The product of its (nonzero) digits is 155520, while the sum is 41.

The square root of 63694085 is about 7980.8574100782. The cubic root of 63694085 is about 399.3616589269.

The spelling of 63694085 in words is "sixty-three million, six hundred ninety-four thousand, eighty-five".