74538601 has 4 divisors (see below), whose sum is σ = 76943104. Its totient is φ = 72134100.

The previous prime is 74538599. The next prime is 74538631. The reversal of 74538601 is 10683547.

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 74538601 - 2¹ = 74538599 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74538631) 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, 1202205 + ... + 1202266.

It is an arithmetic number, because the mean of its divisors is an integer number (19235776).

Almost surely, 2^74538601 is an apocalyptic number.

It is an amenable number.

74538601 is a deficient number, since it is larger than the sum of its proper divisors (2404503).

74538601 is a wasteful number, since it uses less digits than its factorization.

74538601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2404502.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 74538601 is about 8633.5740571330. The cubic root of 74538601 is about 420.8497554049.

The spelling of 74538601 in words is "seventy-four million, five hundred thirty-eight thousand, six hundred one".