27402798 has 16 divisors (see below), whose sum is σ = 57188736. Its totient is φ = 8737080.

The previous prime is 27402797. The next prime is 27402803. The reversal of 27402798 is 89720472.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27402797) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99148 + ... + 99423.

It is an arithmetic number, because the mean of its divisors is an integer number (3574296).

Almost surely, 2^27402798 is an apocalyptic number.

27402798 is an abundant number, since it is smaller than the sum of its proper divisors (29785938).

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

27402798 is a wasteful number, since it uses less digits than its factorization.

27402798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198599.

The product of its (nonzero) digits is 56448, while the sum is 39.

The square root of 27402798 is about 5234.7681897100. The cubic root of 27402798 is about 301.4844866595.

The spelling of 27402798 in words is "twenty-seven million, four hundred two thousand, seven hundred ninety-eight".