70038663 has 4 divisors (see below), whose sum is σ = 93384888. Its totient is φ = 46692440.

The previous prime is 70038659. The next prime is 70038667. The reversal of 70038663 is 36683007.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (70038659) and next prime (70038667).

It is a cyclic number.

It is not a de Polignac number, because 70038663 - 2² = 70038659 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70038667) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11673108 + ... + 11673113.

It is an arithmetic number, because the mean of its divisors is an integer number (23346222).

Almost surely, 2^70038663 is an apocalyptic number.

70038663 is a deficient number, since it is larger than the sum of its proper divisors (23346225).

70038663 is a wasteful number, since it uses less digits than its factorization.

70038663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23346224.

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 70038663 is about 8368.9105025684. The cubic root of 70038663 is about 412.2043928029.

The spelling of 70038663 in words is "seventy million, thirty-eight thousand, six hundred sixty-three".