42500029 has 16 divisors (see below), whose sum is σ = 50117760. Its totient is φ = 35530560.

The previous prime is 42500027. The next prime is 42500033. The reversal of 42500029 is 92000524.

It is a happy number.

It is not a de Polignac number, because 42500029 - 2¹ = 42500027 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42499982 and 42500009.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42500023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62439 + ... + 63115.

It is an arithmetic number, because the mean of its divisors is an integer number (3132360).

Almost surely, 2^42500029 is an apocalyptic number.

It is an amenable number.

42500029 is a deficient number, since it is larger than the sum of its proper divisors (7617731).

42500029 is a wasteful number, since it uses less digits than its factorization.

42500029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1140.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 42500029 is about 6519.2046294007. The cubic root of 42500029 is about 348.9766817205.

The spelling of 42500029 in words is "forty-two million, five hundred thousand, twenty-nine".