42972102 has 24 divisors (see below), whose sum is σ = 93383784. Its totient is φ = 14281344.

The previous prime is 42972089. The next prime is 42972103. The reversal of 42972102 is 20127924.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42972103) 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, 2973 + ... + 9735.

It is an arithmetic number, because the mean of its divisors is an integer number (3890991).

Almost surely, 2^42972102 is an apocalyptic number.

42972102 is an abundant number, since it is smaller than the sum of its proper divisors (50411682).

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

42972102 is a wasteful number, since it uses less digits than its factorization.

42972102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7124 (or 7121 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 42972102 is about 6555.3109766052. The cubic root of 42972102 is about 350.2640239117.

The spelling of 42972102 in words is "forty-two million, nine hundred seventy-two thousand, one hundred two".