74159838 has 12 divisors (see below), whose sum is σ = 160679688. Its totient is φ = 24719940.

The previous prime is 74159837. The next prime is 74159861. The reversal of 74159838 is 83895147.

It is a super-3 number, since 3×74159838³ (a number of 25 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 74159793 and 74159802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74159837) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2059978 + ... + 2060013.

It is an arithmetic number, because the mean of its divisors is an integer number (13389974).

Almost surely, 2^74159838 is an apocalyptic number.

74159838 is an abundant number, since it is smaller than the sum of its proper divisors (86519850).

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

74159838 is a wasteful number, since it uses less digits than its factorization.

74159838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4119999 (or 4119996 counting only the distinct ones).

The product of its digits is 241920, while the sum is 45.

The square root of 74159838 is about 8611.6106507436. The cubic root of 74159838 is about 420.1357044477.

The spelling of 74159838 in words is "seventy-four million, one hundred fifty-nine thousand, eight hundred thirty-eight".