427202790 has 128 divisors (see below), whose sum is σ = 1207084032. Its totient is φ = 94748160.

The previous prime is 427202773. The next prime is 427202791. The reversal of 427202790 is 97202724.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427202791) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1457884 + ... + 1458176.

It is an arithmetic number, because the mean of its divisors is an integer number (9430344).

Almost surely, 2^427202790 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 427202790, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (603542016).

427202790 is an abundant number, since it is smaller than the sum of its proper divisors (779881242).

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

427202790 is a wasteful number, since it uses less digits than its factorization.

427202790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 494.

The product of its (nonzero) digits is 14112, while the sum is 33.

The square root of 427202790 is about 20668.8845852891. The cubic root of 427202790 is about 753.1440107343.

The spelling of 427202790 in words is "four hundred twenty-seven million, two hundred two thousand, seven hundred ninety".