42013246 has 16 divisors (see below), whose sum is σ = 70967808. Its totient is φ = 18480600.

The previous prime is 42013243. The next prime is 42013267. The reversal of 42013246 is 64231024.

It is a happy number.

It is a super-2 number, since 2×42013246² = 3530225678913032, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42013243) 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, 30120 + ... + 31483.

It is an arithmetic number, because the mean of its divisors is an integer number (4435488).

Almost surely, 2^42013246 is an apocalyptic number.

42013246 is a deficient number, since it is larger than the sum of its proper divisors (28954562).

42013246 is a wasteful number, since it uses less digits than its factorization.

42013246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61647.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 42013246 is about 6481.7625689314. The cubic root of 42013246 is about 347.6392030675.

It can be divided in two parts, 4201 and 3246, that added together give a palindrome (7447).

The spelling of 42013246 in words is "forty-two million, thirteen thousand, two hundred forty-six".