427742826 has 32 divisors (see below), whose sum is σ = 980287488. Its totient is φ = 121888560.

The previous prime is 427742771. The next prime is 427742827. The reversal of 427742826 is 628247724.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (427742827) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2791 + ... + 29381.

It is an arithmetic number, because the mean of its divisors is an integer number (30633984).

Almost surely, 2^427742826 is an apocalyptic number.

427742826 is an abundant number, since it is smaller than the sum of its proper divisors (552544662).

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

427742826 is a wasteful number, since it uses less digits than its factorization.

427742826 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26986.

The product of its digits is 301056, while the sum is 42.

The square root of 427742826 is about 20681.9444443698. The cubic root of 427742826 is about 753.4612321458.

The spelling of 427742826 in words is "four hundred twenty-seven million, seven hundred forty-two thousand, eight hundred twenty-six".