74215801 has 8 divisors (see below), whose sum is σ = 81680544. Its totient is φ = 66870720.

The previous prime is 74215783. The next prime is 74215831. The reversal of 74215801 is 10851247.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 74215801 - 2⁵ = 74215769 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 74215801.

It is not an unprimeable number, because it can be changed into a prime (74215831) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28611 + ... + 31096.

It is an arithmetic number, because the mean of its divisors is an integer number (10210068).

Almost surely, 2^74215801 is an apocalyptic number.

It is an amenable number.

74215801 is a deficient number, since it is larger than the sum of its proper divisors (7464743).

74215801 is a wasteful number, since it uses less digits than its factorization.

74215801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59831.

The product of its (nonzero) digits is 2240, while the sum is 28.

The square root of 74215801 is about 8614.8593139993. The cubic root of 74215801 is about 420.2413597604.

The spelling of 74215801 in words is "seventy-four million, two hundred fifteen thousand, eight hundred one".