74287801 has 4 divisors (see below), whose sum is σ = 84900352. Its totient is φ = 63675252.

The previous prime is 74287753. The next prime is 74287819. The reversal of 74287801 is 10878247.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10878247 = 367 ⋅29641.

It is a cyclic number.

It is not a de Polignac number, because 74287801 - 2⁹ = 74287289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74287001) 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, 5306265 + ... + 5306278.

It is an arithmetic number, because the mean of its divisors is an integer number (21225088).

Almost surely, 2^74287801 is an apocalyptic number.

It is an amenable number.

74287801 is a deficient number, since it is larger than the sum of its proper divisors (10612551).

74287801 is a wasteful number, since it uses less digits than its factorization.

74287801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10612550.

The product of its (nonzero) digits is 25088, while the sum is 37.

The square root of 74287801 is about 8619.0371271970. The cubic root of 74287801 is about 420.3772140219.

The spelling of 74287801 in words is "seventy-four million, two hundred eighty-seven thousand, eight hundred one".