42007100 has 36 divisors (see below), whose sum is σ = 95957400. Its totient is φ = 15917760.

The previous prime is 42007067. The next prime is 42007103. The reversal of 42007100 is 170024.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42007103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9155 + ... + 12954.

Almost surely, 2^42007100 is an apocalyptic number.

It is an amenable number.

42007100 is an abundant number, since it is smaller than the sum of its proper divisors (53950300).

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

42007100 is a wasteful number, since it uses less digits than its factorization.

42007100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22142 (or 22135 counting only the distinct ones).

The product of its (nonzero) digits is 56, while the sum is 14.

The square root of 42007100 is about 6481.2884521521. The cubic root of 42007100 is about 347.6222505193.

Adding to 42007100 its reverse (170024), we get a palindrome (42177124).

The spelling of 42007100 in words is "forty-two million, seven thousand, one hundred".