74370401 has 4 divisors (see below), whose sum is σ = 84994752. Its totient is φ = 63746052.

The previous prime is 74370391. The next prime is 74370409. The reversal of 74370401 is 10407347.

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: 10407347 = 139 ⋅74873.

It is a cyclic number.

It is not a de Polignac number, because 74370401 - 2⁶ = 74370337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74370409) 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, 5312165 + ... + 5312178.

It is an arithmetic number, because the mean of its divisors is an integer number (21248688).

Almost surely, 2^74370401 is an apocalyptic number.

It is an amenable number.

74370401 is a deficient number, since it is larger than the sum of its proper divisors (10624351).

74370401 is a wasteful number, since it uses less digits than its factorization.

74370401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10624350.

The product of its (nonzero) digits is 2352, while the sum is 26.

The square root of 74370401 is about 8623.8275145089. The cubic root of 74370401 is about 420.5329609767.

Adding to 74370401 its reverse (10407347), we get a palindrome (84777748).

The spelling of 74370401 in words is "seventy-four million, three hundred seventy thousand, four hundred one".