42702025 has 12 divisors (see below), whose sum is σ = 55738000. Its totient is φ = 32363280.

The previous prime is 42702001. The next prime is 42702029. The reversal of 42702025 is 52020724.

It is not a de Polignac number, because 42702025 - 2¹⁵ = 42669257 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42701987 and 42702005.

It is not an unprimeable number, because it can be changed into a prime (42702029) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44475 + ... + 45424.

Almost surely, 2^42702025 is an apocalyptic number.

It is an amenable number.

42702025 is a deficient number, since it is larger than the sum of its proper divisors (13035975).

42702025 is a wasteful number, since it uses less digits than its factorization.

42702025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89928 (or 89923 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 22.

The square root of 42702025 is about 6534.6786455035. The cubic root of 42702025 is about 349.5286853342.

Adding to 42702025 its reverse (52020724), we get a palindrome (94722749).

The spelling of 42702025 in words is "forty-two million, seven hundred two thousand, twenty-five".