70663363 has 4 divisors (see below), whose sum is σ = 71996688. Its totient is φ = 69330040.

The previous prime is 70663357. The next prime is 70663379. The reversal of 70663363 is 36336607.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36336607 = 19 ⋅1912453.

It is a cyclic number.

It is not a de Polignac number, because 70663363 - 2⁵ = 70663331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70663393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 666583 + ... + 666688.

It is an arithmetic number, because the mean of its divisors is an integer number (17999172).

Almost surely, 2^70663363 is an apocalyptic number.

70663363 is a deficient number, since it is larger than the sum of its proper divisors (1333325).

70663363 is a wasteful number, since it uses less digits than its factorization.

70663363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1333324.

The product of its (nonzero) digits is 40824, while the sum is 34.

The square root of 70663363 is about 8406.1503079590. The cubic root of 70663363 is about 413.4263001226.

The spelling of 70663363 in words is "seventy million, six hundred sixty-three thousand, three hundred sixty-three".