74724001 has 8 divisors (see below), whose sum is σ = 81585504. Its totient is φ = 67873920.

The previous prime is 74723989. The next prime is 74724007. The reversal of 74724001 is 10042747.

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

It is a cyclic number.

It is not a de Polignac number, because 74724001 - 2²¹ = 72626849 is a prime.

It is not an unprimeable number, because it can be changed into a prime (74724007) 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 7 ways as a sum of consecutive naturals, for example, 16666 + ... + 20668.

It is an arithmetic number, because the mean of its divisors is an integer number (10198188).

Almost surely, 2^74724001 is an apocalyptic number.

It is an amenable number.

74724001 is a deficient number, since it is larger than the sum of its proper divisors (6861503).

74724001 is a wasteful number, since it uses less digits than its factorization.

74724001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5711.

The product of its (nonzero) digits is 1568, while the sum is 25.

The square root of 74724001 is about 8644.3045411415. The cubic root of 74724001 is about 421.1983933000.

Adding to 74724001 its reverse (10042747), we get a palindrome (84766748).

The spelling of 74724001 in words is "seventy-four million, seven hundred twenty-four thousand, one".