74163738 has 16 divisors (see below), whose sum is σ = 161811936. Its totient is φ = 22473840.

The previous prime is 74163731. The next prime is 74163743. The reversal of 74163738 is 83736147.

It is a junction number, because it is equal to n+sod(n) for n = 74163696 and 74163705.

It is not an unprimeable number, because it can be changed into a prime (74163731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 561781 + ... + 561912.

It is an arithmetic number, because the mean of its divisors is an integer number (10113246).

Almost surely, 2^74163738 is an apocalyptic number.

74163738 is an abundant number, since it is smaller than the sum of its proper divisors (87648198).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

74163738 is a wasteful number, since it uses less digits than its factorization.

74163738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1123709.

The product of its digits is 84672, while the sum is 39.

The square root of 74163738 is about 8611.8370862436. The cubic root of 74163738 is about 420.1430691731.

The spelling of 74163738 in words is "seventy-four million, one hundred sixty-three thousand, seven hundred thirty-eight".