74158132 has 6 divisors (see below), whose sum is σ = 129776738. Its totient is φ = 37079064.

The previous prime is 74158129. The next prime is 74158157. The reversal of 74158132 is 23185147.

It can be written as a sum of positive squares in only one way, i.e., 69122596 + 5035536 = 8314^2 + 2244^2 .

It is a junction number, because it is equal to n+sod(n) for n = 74158094 and 74158103.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9269763 + ... + 9269770.

Almost surely, 2^74158132 is an apocalyptic number.

It is an amenable number.

74158132 is a deficient number, since it is larger than the sum of its proper divisors (55618606).

74158132 is a wasteful number, since it uses less digits than its factorization.

74158132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18539537 (or 18539535 counting only the distinct ones).

The product of its digits is 6720, while the sum is 31.

The square root of 74158132 is about 8611.5115978555. The cubic root of 74158132 is about 420.1324827713.

The spelling of 74158132 in words is "seventy-four million, one hundred fifty-eight thousand, one hundred thirty-two".