74198011 has 4 divisors (see below), whose sum is σ = 75305512. Its totient is φ = 73090512.

The previous prime is 74198009. The next prime is 74198017. The reversal of 74198011 is 11089147.

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 74198011 - 2¹ = 74198009 is a prime.

It is a super-2 number, since 2×74198011² = 11010689672712242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74198017) 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, 553650 + ... + 553783.

It is an arithmetic number, because the mean of its divisors is an integer number (18826378).

Almost surely, 2^74198011 is an apocalyptic number.

74198011 is a deficient number, since it is larger than the sum of its proper divisors (1107501).

74198011 is a wasteful number, since it uses less digits than its factorization.

74198011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1107500.

The product of its (nonzero) digits is 2016, while the sum is 31.

The square root of 74198011 is about 8613.8267338042. The cubic root of 74198011 is about 420.2077789006.

The spelling of 74198011 in words is "seventy-four million, one hundred ninety-eight thousand, eleven".