42708425 has 12 divisors (see below), whose sum is σ = 53055756. Its totient is φ = 34104000.

The previous prime is 42708377. The next prime is 42708451. The reversal of 42708425 is 52480724.

It can be written as a sum of positive squares in 6 ways, for example, as 4528384 + 38180041 = 2128^2 + 6179^2 .

It is not a de Polignac number, because 42708425 - 2⁶ = 42708361 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42708391 and 42708400.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16307 + ... + 18743.

It is an arithmetic number, because the mean of its divisors is an integer number (4421313).

Almost surely, 2^42708425 is an apocalyptic number.

It is an amenable number.

42708425 is a deficient number, since it is larger than the sum of its proper divisors (10347331).

42708425 is a wasteful number, since it uses less digits than its factorization.

42708425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3148 (or 3143 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 32.

The square root of 42708425 is about 6535.1683222393. The cubic root of 42708425 is about 349.5461464252.

The spelling of 42708425 in words is "forty-two million, seven hundred eight thousand, four hundred twenty-five".