42007430 has 16 divisors (see below), whose sum is σ = 78901344. Its totient is φ = 16072320.

The previous prime is 42007397. The next prime is 42007463. The reversal of 42007430 is 3470024.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (42007397) and next prime (42007463).

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, 91091 + ... + 91550.

It is an arithmetic number, because the mean of its divisors is an integer number (4931334).

Almost surely, 2^42007430 is an apocalyptic number.

42007430 is a deficient number, since it is larger than the sum of its proper divisors (36893914).

42007430 is a wasteful number, since it uses less digits than its factorization.

42007430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182671.

The product of its (nonzero) digits is 672, while the sum is 20.

The square root of 42007430 is about 6481.3139100031. The cubic root of 42007430 is about 347.6231608023.

Adding to 42007430 its reverse (3470024), we get a palindrome (45477454).

The spelling of 42007430 in words is "forty-two million, seven thousand, four hundred thirty".