74316020 has 24 divisors (see below), whose sum is σ = 156237984. Its totient is φ = 29693216.

The previous prime is 74316019. The next prime is 74316023. The reversal of 74316020 is 2061347.

It is a super-3 number, since 3×74316020³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74316023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24719 + ... + 27561.

It is an arithmetic number, because the mean of its divisors is an integer number (6509916).

Almost surely, 2^74316020 is an apocalyptic number.

It is an amenable number.

74316020 is an abundant number, since it is smaller than the sum of its proper divisors (81921964).

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

74316020 is a wasteful number, since it uses less digits than its factorization.

74316020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4159 (or 4157 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 74316020 is about 8620.6739875720. The cubic root of 74316020 is about 420.4304355142.

Adding to 74316020 its reverse (2061347), we get a palindrome (76377367).

The spelling of 74316020 in words is "seventy-four million, three hundred sixteen thousand, twenty".