27720374 has 12 divisors (see below), whose sum is σ = 45704652. Its totient is φ = 12600060.

The previous prime is 27720367. The next prime is 27720377. The reversal of 27720374 is 47302772.

It is a self number, because there is not a number n which added to its sum of digits gives 27720374.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27720377) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 57032 + ... + 57515.

It is an arithmetic number, because the mean of its divisors is an integer number (3808721).

Almost surely, 2^27720374 is an apocalyptic number.

27720374 is a deficient number, since it is larger than the sum of its proper divisors (17984278).

27720374 is a wasteful number, since it uses less digits than its factorization.

27720374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114571 (or 114560 counting only the distinct ones).

The product of its (nonzero) digits is 16464, while the sum is 32.

The square root of 27720374 is about 5265.0141500285. The cubic root of 27720374 is about 302.6446690937.

The spelling of 27720374 in words is "twenty-seven million, seven hundred twenty thousand, three hundred seventy-four".