42432270 has 16 divisors (see below), whose sum is σ = 101837520. Its totient is φ = 11315264.

The previous prime is 42432259. The next prime is 42432281. The reversal of 42432270 is 7223424.

It is an interprime number because it is at equal distance from previous prime (42432259) and next prime (42432281).

It is a self number, because there is not a number n which added to its sum of digits gives 42432270.

It is a congruent number.

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, 707175 + ... + 707234.

It is an arithmetic number, because the mean of its divisors is an integer number (6364845).

Almost surely, 2^42432270 is an apocalyptic number.

42432270 is an abundant number, since it is smaller than the sum of its proper divisors (59405250).

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

42432270 is a wasteful number, since it uses less digits than its factorization.

42432270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1414419.

The product of its (nonzero) digits is 2688, while the sum is 24.

The square root of 42432270 is about 6514.0056800712. The cubic root of 42432270 is about 348.7911219351.

Adding to 42432270 its reverse (7223424), we get a palindrome (49655694).

The spelling of 42432270 in words is "forty-two million, four hundred thirty-two thousand, two hundred seventy".