27434460 has 24 divisors (see below), whose sum is σ = 76816656. Its totient is φ = 7315840.

The previous prime is 27434419. The next prime is 27434507. The reversal of 27434460 is 6443472.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 228561 + ... + 228680.

It is an arithmetic number, because the mean of its divisors is an integer number (3200694).

Almost surely, 2^27434460 is an apocalyptic number.

27434460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27434460 is an abundant number, since it is smaller than the sum of its proper divisors (49382196).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27434460 is a wasteful number, since it uses less digits than its factorization.

27434460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 457253 (or 457251 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 30.

The square root of 27434460 is about 5237.7915193333. The cubic root of 27434460 is about 301.6005566529.

The spelling of 27434460 in words is "twenty-seven million, four hundred thirty-four thousand, four hundred sixty".