74213400 has 96 divisors (see below), whose sum is σ = 231681600. Its totient is φ = 19651200.

The previous prime is 74213383. The next prime is 74213401. The reversal of 74213400 is 431247.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74213401) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 107055 + ... + 107745.

It is an arithmetic number, because the mean of its divisors is an integer number (2413350).

Almost surely, 2^74213400 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74213400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115840800).

74213400 is an abundant number, since it is smaller than the sum of its proper divisors (157468200).

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

74213400 is a wasteful number, since it uses less digits than its factorization.

74213400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 889 (or 880 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 74213400 is about 8614.7199606255. The cubic root of 74213400 is about 420.2368278846.

Adding to 74213400 its reverse (431247), we get a palindrome (74644647).

The spelling of 74213400 in words is "seventy-four million, two hundred thirteen thousand, four hundred".