74800471 has 4 divisors (see below), whose sum is σ = 74863152. Its totient is φ = 74737792.

The previous prime is 74800447. The next prime is 74800507. The reversal of 74800471 is 17400847.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 74800471 - 2⁷ = 74800343 is a prime.

It is a super-3 number, since 3×74800471³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74800571) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29515 + ... + 31948.

It is an arithmetic number, because the mean of its divisors is an integer number (18715788).

Almost surely, 2^74800471 is an apocalyptic number.

74800471 is a deficient number, since it is larger than the sum of its proper divisors (62681).

74800471 is a wasteful number, since it uses less digits than its factorization.

74800471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62680.

The product of its (nonzero) digits is 6272, while the sum is 31.

The square root of 74800471 is about 8648.7265536609. The cubic root of 74800471 is about 421.3420243499.

The spelling of 74800471 in words is "seventy-four million, eight hundred thousand, four hundred seventy-one".