74469121 has 4 divisors (see below), whose sum is σ = 74487600. Its totient is φ = 74450644.

The previous prime is 74469119. The next prime is 74469149. The reversal of 74469121 is 12196447.

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.

It is a cyclic number.

It is not a de Polignac number, because 74469121 - 2¹ = 74469119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74469821) 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, 331 + ... + 12208.

It is an arithmetic number, because the mean of its divisors is an integer number (18621900).

Almost surely, 2^74469121 is an apocalyptic number.

It is an amenable number.

74469121 is a deficient number, since it is larger than the sum of its proper divisors (18479).

74469121 is a wasteful number, since it uses less digits than its factorization.

74469121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18478.

The product of its digits is 12096, while the sum is 34.

The square root of 74469121 is about 8629.5492929816. The cubic root of 74469121 is about 420.7189518985.

The spelling of 74469121 in words is "seventy-four million, four hundred sixty-nine thousand, one hundred twenty-one".