425071770 has 64 divisors (see below), whose sum is σ = 1047682944. Its totient is φ = 110315520.

The previous prime is 425071753. The next prime is 425071789. The reversal of 425071770 is 77170524.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 558190 + ... + 558950.

It is an arithmetic number, because the mean of its divisors is an integer number (16370046).

Almost surely, 2^425071770 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 425071770, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (523841472).

425071770 is an abundant number, since it is smaller than the sum of its proper divisors (622611174).

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

425071770 is a wasteful number, since it uses less digits than its factorization.

425071770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1247.

The product of its (nonzero) digits is 13720, while the sum is 33.

The square root of 425071770 is about 20617.2687327881. The cubic root of 425071770 is about 751.8896173522.

The spelling of 425071770 in words is "four hundred twenty-five million, seventy-one thousand, seven hundred seventy".