42147436 has 6 divisors (see below), whose sum is σ = 73758020. Its totient is φ = 21073716.

The previous prime is 42147421. The next prime is 42147451. The reversal of 42147436 is 63474124.

It is an interprime number because it is at equal distance from previous prime (42147421) and next prime (42147451).

It is a super-2 number, since 2×42147436² = 3552812722748192, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42147398 and 42147407.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5268426 + ... + 5268433.

Almost surely, 2^42147436 is an apocalyptic number.

It is an amenable number.

42147436 is a deficient number, since it is larger than the sum of its proper divisors (31610584).

42147436 is a wasteful number, since it uses less digits than its factorization.

42147436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10536863 (or 10536861 counting only the distinct ones).

The product of its digits is 16128, while the sum is 31.

The square root of 42147436 is about 6492.1056676551. The cubic root of 42147436 is about 348.0089287355.

The spelling of 42147436 in words is "forty-two million, one hundred forty-seven thousand, four hundred thirty-six".