427232534 has 4 divisors (see below), whose sum is σ = 640848804. Its totient is φ = 213616266.

The previous prime is 427232479. The next prime is 427232539. The reversal of 427232534 is 435232724.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×427232534² = 365055276216122312, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 427232534.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427232539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106808132 + ... + 106808135.

It is an arithmetic number, because the mean of its divisors is an integer number (160212201).

Almost surely, 2^427232534 is an apocalyptic number.

427232534 is a deficient number, since it is larger than the sum of its proper divisors (213616270).

427232534 is a wasteful number, since it uses less digits than its factorization.

427232534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213616269.

The product of its digits is 40320, while the sum is 32.

The square root of 427232534 is about 20669.6041084487. The cubic root of 427232534 is about 753.1614895493.

The spelling of 427232534 in words is "four hundred twenty-seven million, two hundred thirty-two thousand, five hundred thirty-four".