425729342 has 16 divisors (see below), whose sum is σ = 646440912. Its totient is φ = 210259200.

The previous prime is 425729329. The next prime is 425729377. The reversal of 425729342 is 243927524.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 425729296 and 425729305.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92078 + ... + 96590.

It is an arithmetic number, because the mean of its divisors is an integer number (40402557).

Almost surely, 2^425729342 is an apocalyptic number.

425729342 is a deficient number, since it is larger than the sum of its proper divisors (220711570).

425729342 is a wasteful number, since it uses less digits than its factorization.

425729342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5083.

The product of its digits is 120960, while the sum is 38.

The square root of 425729342 is about 20633.2096872978. The cubic root of 425729342 is about 752.2771337373.

The spelling of 425729342 in words is "four hundred twenty-five million, seven hundred twenty-nine thousand, three hundred forty-two".