42012357 has 8 divisors (see below), whose sum is σ = 56352576. Its totient is φ = 27840192.

The previous prime is 42012343. The next prime is 42012371. The reversal of 42012357 is 75321024.

It is an interprime number because it is at equal distance from previous prime (42012343) and next prime (42012371).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42012357 - 2⁶ = 42012293 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42012337) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41428 + ... + 42429.

It is an arithmetic number, because the mean of its divisors is an integer number (7044072).

Almost surely, 2^42012357 is an apocalyptic number.

It is an amenable number.

42012357 is a deficient number, since it is larger than the sum of its proper divisors (14340219).

42012357 is a wasteful number, since it uses less digits than its factorization.

42012357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84027.

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 42012357 is about 6481.6939915426. The cubic root of 42012357 is about 347.6367510358.

The spelling of 42012357 in words is "forty-two million, twelve thousand, three hundred fifty-seven".