74102401 has 4 divisors (see below), whose sum is σ = 74144704. Its totient is φ = 74060100.

The previous prime is 74102381. The next prime is 74102417. The reversal of 74102401 is 10420147.

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, and also an emirpimes, since its reverse is a distinct semiprime: 10420147 = 43 ⋅242329.

It is a cyclic number.

It is not a de Polignac number, because 74102401 - 2¹¹ = 74100353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74102491) 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, 18405 + ... + 22066.

It is an arithmetic number, because the mean of its divisors is an integer number (18536176).

Almost surely, 2^74102401 is an apocalyptic number.

It is an amenable number.

74102401 is a deficient number, since it is larger than the sum of its proper divisors (42303).

74102401 is a wasteful number, since it uses less digits than its factorization.

74102401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42302.

The product of its (nonzero) digits is 224, while the sum is 19.

The square root of 74102401 is about 8608.2751466249. The cubic root of 74102401 is about 420.0272110110.

Adding to 74102401 its reverse (10420147), we get a palindrome (84522548).

The spelling of 74102401 in words is "seventy-four million, one hundred two thousand, four hundred one".