425729090 has 16 divisors (see below), whose sum is σ = 766620288. Its totient is φ = 170223216.

The previous prime is 425729089. The next prime is 425729099. The reversal of 425729090 is 90927524.

It is not an unprimeable number, because it can be changed into a prime (425729099) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23189 + ... + 37271.

It is an arithmetic number, because the mean of its divisors is an integer number (47913768).

Almost surely, 2^425729090 is an apocalyptic number.

425729090 is a deficient number, since it is larger than the sum of its proper divisors (340891198).

425729090 is a wasteful number, since it uses less digits than its factorization.

425729090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17113.

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 425729090 is about 20633.2035806367. The cubic root of 425729090 is about 752.2769853066.

The spelling of 425729090 in words is "four hundred twenty-five million, seven hundred twenty-nine thousand, ninety".