270686421 has 8 divisors (see below), whose sum is σ = 401016960. Its totient is φ = 180457596.

The previous prime is 270686411. The next prime is 270686431. The reversal of 270686421 is 124686072.

270686421 is a `hidden beast` number, since 2 + 7 + 0 + 6 + 8 + 642 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (270686411) and next prime (270686431).

It is not a de Polignac number, because 270686421 - 2¹¹ = 270684373 is a prime.

It is a super-2 number, since 2×270686421² = 146542277027578482, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (270686411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5012685 + ... + 5012738.

It is an arithmetic number, because the mean of its divisors is an integer number (50127120).

Almost surely, 2^270686421 is an apocalyptic number.

It is an amenable number.

270686421 is a deficient number, since it is larger than the sum of its proper divisors (130330539).

270686421 is a wasteful number, since it uses less digits than its factorization.

270686421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10025432 (or 10025426 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 270686421 is about 16452.5505925373. The cubic root of 270686421 is about 646.8776654375.

It can be divided in two parts, 27068 and 6421, that added together give a square (33489 = 183²).

The spelling of 270686421 in words is "two hundred seventy million, six hundred eighty-six thousand, four hundred twenty-one".