74201320 has 16 divisors (see below), whose sum is σ = 166953060. Its totient is φ = 29680512.

The previous prime is 74201299. The next prime is 74201339. The reversal of 74201320 is 2310247.

It can be written as a sum of positive squares in 2 ways, for example, as 74200996 + 324 = 8614^2 + 18^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 927477 + ... + 927556.

Almost surely, 2^74201320 is an apocalyptic number.

It is an amenable number.

74201320 is an abundant number, since it is smaller than the sum of its proper divisors (92751740).

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

74201320 is a wasteful number, since it uses less digits than its factorization.

74201320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1855044 (or 1855040 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 74201320 is about 8614.0188065734. The cubic root of 74201320 is about 420.2140254601.

Adding to 74201320 its reverse (2310247), we get a palindrome (76511567).

The spelling of 74201320 in words is "seventy-four million, two hundred one thousand, three hundred twenty".