27970507 has 4 divisors (see below), whose sum is σ = 29186640. Its totient is φ = 26754376.

The previous prime is 27970477. The next prime is 27970517. The reversal of 27970507 is 70507972.

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 27970507 - 2¹¹ = 27968459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27970517) 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, 608032 + ... + 608077.

It is an arithmetic number, because the mean of its divisors is an integer number (7296660).

Almost surely, 2^27970507 is an apocalyptic number.

27970507 is a deficient number, since it is larger than the sum of its proper divisors (1216133).

27970507 is a wasteful number, since it uses less digits than its factorization.

27970507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1216132.

The product of its (nonzero) digits is 30870, while the sum is 37.

The square root of 27970507 is about 5288.7150613358. The cubic root of 27970507 is about 303.5522429239.

The spelling of 27970507 in words is "twenty-seven million, nine hundred seventy thousand, five hundred seven".