42997104 has 60 divisors (see below), whose sum is σ = 122911776. Its totient is φ = 14025216.

The previous prime is 42997091. The next prime is 42997127. The reversal of 42997104 is 40179924.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3592 + ... + 9944.

Almost surely, 2^42997104 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42997104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61455888).

42997104 is an abundant number, since it is smaller than the sum of its proper divisors (79914672).

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

42997104 is a wasteful number, since it uses less digits than its factorization.

42997104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6414 (or 6405 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 42997104 is about 6557.2177026541. The cubic root of 42997104 is about 350.3319408692.

The spelling of 42997104 in words is "forty-two million, nine hundred ninety-seven thousand, one hundred four".