427428526 has 16 divisors (see below), whose sum is σ = 750607200. Its totient is φ = 178715520.

The previous prime is 427428511. The next prime is 427428539. The reversal of 427428526 is 625824724.

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, 371751 + ... + 372898.

It is an arithmetic number, because the mean of its divisors is an integer number (46912950).

Almost surely, 2^427428526 is an apocalyptic number.

427428526 is a deficient number, since it is larger than the sum of its proper divisors (323178674).

427428526 is a wasteful number, since it uses less digits than its factorization.

427428526 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 744699.

The product of its digits is 215040, while the sum is 40.

The square root of 427428526 is about 20674.3446329019. The cubic root of 427428526 is about 753.2766423433.

The spelling of 427428526 in words is "four hundred twenty-seven million, four hundred twenty-eight thousand, five hundred twenty-six".