70998027 has 4 divisors (see below), whose sum is σ = 94664040. Its totient is φ = 47332016.

The previous prime is 70997999. The next prime is 70998089. The reversal of 70998027 is 72089907.

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

It is a cyclic number.

It is not a de Polignac number, because 70998027 - 2⁶ = 70997963 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 70998027.

It is not an unprimeable number, because it can be changed into a prime (70998727) 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, 11833002 + ... + 11833007.

It is an arithmetic number, because the mean of its divisors is an integer number (23666010).

Almost surely, 2^70998027 is an apocalyptic number.

70998027 is a deficient number, since it is larger than the sum of its proper divisors (23666013).

70998027 is a wasteful number, since it uses less digits than its factorization.

70998027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23666012.

The product of its (nonzero) digits is 63504, while the sum is 42.

The square root of 70998027 is about 8426.0326963524. The cubic root of 70998027 is about 414.0779393042.

The spelling of 70998027 in words is "seventy million, nine hundred ninety-eight thousand, twenty-seven".