42177532 has 6 divisors (see below), whose sum is σ = 73810688. Its totient is φ = 21088764.

The previous prime is 42177523. The next prime is 42177533. The reversal of 42177532 is 23577124.

It is a super-2 number, since 2×42177532² = 3557888411222048, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42177494 and 42177503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42177533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5272188 + ... + 5272195.

Almost surely, 2^42177532 is an apocalyptic number.

It is an amenable number.

42177532 is a deficient number, since it is larger than the sum of its proper divisors (31633156).

42177532 is a wasteful number, since it uses less digits than its factorization.

42177532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10544387 (or 10544385 counting only the distinct ones).

The product of its digits is 11760, while the sum is 31.

The square root of 42177532 is about 6494.4231460539. The cubic root of 42177532 is about 348.0917426679.

The spelling of 42177532 in words is "forty-two million, one hundred seventy-seven thousand, five hundred thirty-two".