74123401 has 4 divisors (see below), whose sum is σ = 80861904. Its totient is φ = 67384900.

The previous prime is 74123381. The next prime is 74123419. The reversal of 74123401 is 10432147.

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: 10432147 = 11 ⋅948377.

It is a de Polignac number, because none of the positive numbers 2^k-74123401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74123431) 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, 3369235 + ... + 3369256.

It is an arithmetic number, because the mean of its divisors is an integer number (20215476).

Almost surely, 2^74123401 is an apocalyptic number.

It is an amenable number.

74123401 is a deficient number, since it is larger than the sum of its proper divisors (6738503).

74123401 is a wasteful number, since it uses less digits than its factorization.

74123401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6738502.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 74123401 is about 8609.4948167706. The cubic root of 74123401 is about 420.0668846618.

Adding to 74123401 its reverse (10432147), we get a palindrome (84555548).

It can be divided in two parts, 741 and 23401, that added together give a palindrome (24142).

The spelling of 74123401 in words is "seventy-four million, one hundred twenty-three thousand, four hundred one".