42032407 has 6 divisors (see below), whose sum is σ = 43200528. Its totient is φ = 40895064.

The previous prime is 42032401. The next prime is 42032411. The reversal of 42032407 is 70423024.

It is not a de Polignac number, because 42032407 - 2¹⁹ = 41508119 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42032401) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13983 + ... + 16720.

It is an arithmetic number, because the mean of its divisors is an integer number (7200088).

Almost surely, 2^42032407 is an apocalyptic number.

42032407 is a deficient number, since it is larger than the sum of its proper divisors (1168121).

42032407 is an equidigital number, since it uses as much as digits as its factorization.

42032407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30777 (or 30740 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 22.

The square root of 42032407 is about 6483.2404706289. The cubic root of 42032407 is about 347.6920443578.

The spelling of 42032407 in words is "forty-two million, thirty-two thousand, four hundred seven".