42735693 has 96 divisors (see below), whose sum is σ = 82736640. Its totient is φ = 19232640.

The previous prime is 42735691. The next prime is 42735697. The reversal of 42735693 is 39653724.

It is not a de Polignac number, because 42735693 - 2¹ = 42735691 is a prime.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42735691) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 399346 + ... + 399452.

It is an arithmetic number, because the mean of its divisors is an integer number (861840).

Almost surely, 2^42735693 is an apocalyptic number.

It is an amenable number.

42735693 is a deficient number, since it is larger than the sum of its proper divisors (40000947).

42735693 is a wasteful number, since it uses less digits than its factorization.

42735693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167 (or 160 counting only the distinct ones).

The product of its digits is 136080, while the sum is 39.

The square root of 42735693 is about 6537.2542401225. The cubic root of 42735693 is about 349.6205220434.

The spelling of 42735693 in words is "forty-two million, seven hundred thirty-five thousand, six hundred ninety-three".