70683663 has 8 divisors (see below), whose sum is σ = 94878000. Its totient is φ = 46805888.

The previous prime is 70683649. The next prime is 70683673. The reversal of 70683663 is 36638607.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 70683663 - 2¹³ = 70675471 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70683673) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78618 + ... + 79511.

It is an arithmetic number, because the mean of its divisors is an integer number (11859750).

Almost surely, 2^70683663 is an apocalyptic number.

70683663 is a deficient number, since it is larger than the sum of its proper divisors (24194337).

70683663 is a wasteful number, since it uses less digits than its factorization.

70683663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158281.

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

The square root of 70683663 is about 8407.3576705169. The cubic root of 70683663 is about 413.4658857013.

It can be divided in two parts, 7068 and 3663, that added together give a triangular number (10731 = T₁₄₆).

The spelling of 70683663 in words is "seventy million, six hundred eighty-three thousand, six hundred sixty-three".