42457935 has 16 divisors (see below), whose sum is σ = 73158624. Its totient is φ = 20902272.

The previous prime is 42457927. The next prime is 42457957. The reversal of 42457935 is 53975424.

It is not a de Polignac number, because 42457935 - 2³ = 42457927 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a junction number, because it is equal to n+sod(n) for n = 42457893 and 42457902.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 108672 + ... + 109061.

It is an arithmetic number, because the mean of its divisors is an integer number (4572414).

Almost surely, 2^42457935 is an apocalyptic number.

42457935 is a deficient number, since it is larger than the sum of its proper divisors (30700689).

42457935 is a wasteful number, since it uses less digits than its factorization.

42457935 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217754.

The product of its digits is 151200, while the sum is 39.

The square root of 42457935 is about 6515.9753682776. The cubic root of 42457935 is about 348.8614294310.

The spelling of 42457935 in words is "forty-two million, four hundred fifty-seven thousand, nine hundred thirty-five".