74021001 has 8 divisors (see below), whose sum is σ = 98734944. Its totient is φ = 49327200.

The previous prime is 74020993. The next prime is 74021011. The reversal of 74021001 is 10012047.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 74021001 - 2³ = 74020993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (74021011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9726 + ... + 15576.

It is an arithmetic number, because the mean of its divisors is an integer number (12341868).

Almost surely, 2^74021001 is an apocalyptic number.

It is an amenable number.

74021001 is a deficient number, since it is larger than the sum of its proper divisors (24713943).

74021001 is a wasteful number, since it uses less digits than its factorization.

74021001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10071.

The product of its (nonzero) digits is 56, while the sum is 15.

The square root of 74021001 is about 8603.5458387807. The cubic root of 74021001 is about 419.8733575090.

Adding to 74021001 its reverse (10012047), we get a palindrome (84033048).

The spelling of 74021001 in words is "seventy-four million, twenty-one thousand, one".