42631935 has 16 divisors (see below), whose sum is σ = 68339040. Its totient is φ = 22694400.

The previous prime is 42631933. The next prime is 42631957. The reversal of 42631935 is 53913624.

It is not a de Polignac number, because 42631935 - 2¹ = 42631933 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42631896 and 42631905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42631933) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6651 + ... + 11379.

It is an arithmetic number, because the mean of its divisors is an integer number (4271190).

Almost surely, 2^42631935 is an apocalyptic number.

42631935 is a deficient number, since it is larger than the sum of its proper divisors (25707105).

42631935 is a wasteful number, since it uses less digits than its factorization.

42631935 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5338.

The product of its digits is 19440, while the sum is 33.

The square root of 42631935 is about 6529.3135167489. The cubic root of 42631935 is about 349.3373448259.

The spelling of 42631935 in words is "forty-two million, six hundred thirty-one thousand, nine hundred thirty-five".