74745001 has 4 divisors (see below), whose sum is σ = 74767504. Its totient is φ = 74722500.

The previous prime is 74744987. The next prime is 74745007. The reversal of 74745001 is 10054747.

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 74745001 - 2²³ = 66356393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74745007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5175 + ... + 13276.

It is an arithmetic number, because the mean of its divisors is an integer number (18691876).

Almost surely, 2^74745001 is an apocalyptic number.

It is an amenable number.

74745001 is a deficient number, since it is larger than the sum of its proper divisors (22503).

74745001 is a wasteful number, since it uses less digits than its factorization.

74745001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22502.

The product of its (nonzero) digits is 3920, while the sum is 28.

The square root of 74745001 is about 8645.5191284272. The cubic root of 74745001 is about 421.2378466557.

Adding to 74745001 its reverse (10054747), we get a palindrome (84799748).

The spelling of 74745001 in words is "seventy-four million, seven hundred forty-five thousand, one".