74110421 has 16 divisors (see below), whose sum is σ = 92596608. Its totient is φ = 57624000.

The previous prime is 74110417. The next prime is 74110423. The reversal of 74110421 is 12401147.

It is not a de Polignac number, because 74110421 - 2² = 74110417 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 74110393 and 74110402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74110423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53291 + ... + 54663.

It is an arithmetic number, because the mean of its divisors is an integer number (5787288).

Almost surely, 2^74110421 is an apocalyptic number.

It is an amenable number.

74110421 is a deficient number, since it is larger than the sum of its proper divisors (18486187).

74110421 is a wasteful number, since it uses less digits than its factorization.

74110421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2092.

The product of its (nonzero) digits is 224, while the sum is 20.

The square root of 74110421 is about 8608.7409648566. The cubic root of 74110421 is about 420.0423634517.

Adding to 74110421 its reverse (12401147), we get a palindrome (86511568).

The spelling of 74110421 in words is "seventy-four million, one hundred ten thousand, four hundred twenty-one".