74213010 has 40 divisors (see below), whose sum is σ = 199552716. Its totient is φ = 19789920.

The previous prime is 74213003. The next prime is 74213011. The reversal of 74213010 is 1031247.

It can be written as a sum of positive squares in 2 ways, for example, as 74183769 + 29241 = 8613^2 + 171^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (74213011) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 45001 + ... + 46620.

Almost surely, 2^74213010 is an apocalyptic number.

74213010 is an abundant number, since it is smaller than the sum of its proper divisors (125339706).

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

74213010 is a wasteful number, since it uses less digits than its factorization.

74213010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91640 (or 91631 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 74213010 is about 8614.6973249209. The cubic root of 74213010 is about 420.2360917523.

Adding to 74213010 its reverse (1031247), we get a palindrome (75244257).

The spelling of 74213010 in words is "seventy-four million, two hundred thirteen thousand, ten".