42161754 has 16 divisors (see below), whose sum is σ = 85753440. Its totient is φ = 13815600.

The previous prime is 42161723. The next prime is 42161803. The reversal of 42161754 is 45716124.

It is a super-2 number, since 2×42161754² = 3555227000713032, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59197 + ... + 59904.

It is an arithmetic number, because the mean of its divisors is an integer number (5359590).

Almost surely, 2^42161754 is an apocalyptic number.

42161754 is an abundant number, since it is smaller than the sum of its proper divisors (43591686).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42161754 is a wasteful number, since it uses less digits than its factorization.

42161754 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119165.

The product of its digits is 6720, while the sum is 30.

The square root of 42161754 is about 6493.2082979064. The cubic root of 42161754 is about 348.0483319052.

Adding to 42161754 its reverse (45716124), we get a palindrome (87877878).

The spelling of 42161754 in words is "forty-two million, one hundred sixty-one thousand, seven hundred fifty-four".