74722001 has 4 divisors (see below), whose sum is σ = 74775792. Its totient is φ = 74668212.

The previous prime is 74721973. The next prime is 74722051. The reversal of 74722001 is 10022747.

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 a de Polignac number, because none of the positive numbers 2^k-74722001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74722051) 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, 24755 + ... + 27608.

It is an arithmetic number, because the mean of its divisors is an integer number (18693948).

Almost surely, 2^74722001 is an apocalyptic number.

It is an amenable number.

74722001 is a deficient number, since it is larger than the sum of its proper divisors (53791).

74722001 is a wasteful number, since it uses less digits than its factorization.

74722001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53790.

The product of its (nonzero) digits is 784, while the sum is 23.

The square root of 74722001 is about 8644.1888572613. The cubic root of 74722001 is about 421.1946354520.

Adding to 74722001 its reverse (10022747), we get a palindrome (84744748).

The spelling of 74722001 in words is "seventy-four million, seven hundred twenty-two thousand, one".