74372111 has 4 divisors (see below), whose sum is σ = 81133224. Its totient is φ = 67611000.

The previous prime is 74372107. The next prime is 74372119. The reversal of 74372111 is 11127347.

It is a happy number.

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 74372111 - 2² = 74372107 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74372119) 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, 3380540 + ... + 3380561.

It is an arithmetic number, because the mean of its divisors is an integer number (20283306).

Almost surely, 2^74372111 is an apocalyptic number.

74372111 is a deficient number, since it is larger than the sum of its proper divisors (6761113).

74372111 is a wasteful number, since it uses less digits than its factorization.

74372111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6761112.

The product of its digits is 1176, while the sum is 26.

The square root of 74372111 is about 8623.9266578514. The cubic root of 74372111 is about 420.5361840594.

Adding to 74372111 its reverse (11127347), we get a palindrome (85499458).

The spelling of 74372111 in words is "seventy-four million, three hundred seventy-two thousand, one hundred eleven".