74802001 has 4 divisors (see below), whose sum is σ = 74843812. Its totient is φ = 74760192.

The previous prime is 74801971. The next prime is 74802011. The reversal of 74802001 is 10020847.

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

It can be written as a sum of positive squares in 2 ways, for example, as 28901376 + 45900625 = 5376^2 + 6775^2 .

It is a 4-Lehmer number, since φ(74802001) divides (74802001-1)⁴.

It is a cyclic number.

It is not a de Polignac number, because 74802001 - 2¹³ = 74793809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74802011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18096 + ... + 21841.

It is an arithmetic number, because the mean of its divisors is an integer number (18710953).

Almost surely, 2^74802001 is an apocalyptic number.

It is an amenable number.

74802001 is a deficient number, since it is larger than the sum of its proper divisors (41811).

74802001 is a wasteful number, since it uses less digits than its factorization.

74802001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41810.

The product of its (nonzero) digits is 448, while the sum is 22.

The square root of 74802001 is about 8648.8150055369. The cubic root of 74802001 is about 421.3448970988.

Adding to 74802001 its reverse (10020847), we get a palindrome (84822848).

The spelling of 74802001 in words is "seventy-four million, eight hundred two thousand, one".