427501742 has 4 divisors (see below), whose sum is σ = 641252616. Its totient is φ = 213750870.

The previous prime is 427501733. The next prime is 427501747. The reversal of 427501742 is 247105724.

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

It is a junction number, because it is equal to n+sod(n) for n = 427501699 and 427501708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427501747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106875434 + ... + 106875437.

It is an arithmetic number, because the mean of its divisors is an integer number (160313154).

Almost surely, 2^427501742 is an apocalyptic number.

427501742 is a deficient number, since it is larger than the sum of its proper divisors (213750874).

427501742 is a wasteful number, since it uses less digits than its factorization.

427501742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213750873.

The product of its (nonzero) digits is 15680, while the sum is 32.

The square root of 427501742 is about 20676.1152540800. The cubic root of 427501742 is about 753.3196505116.

The spelling of 427501742 in words is "four hundred twenty-seven million, five hundred one thousand, seven hundred forty-two".