67722001 has 4 divisors (see below), whose sum is σ = 68675904. Its totient is φ = 66768100.

The previous prime is 67721981. The next prime is 67722013. The reversal of 67722001 is 10022776.

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 67722001 - 2¹³ = 67713809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (67722041) 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, 476845 + ... + 476986.

It is an arithmetic number, because the mean of its divisors is an integer number (17168976).

Almost surely, 2^67722001 is an apocalyptic number.

It is an amenable number.

67722001 is a deficient number, since it is larger than the sum of its proper divisors (953903).

67722001 is an equidigital number, since it uses as much as digits as its factorization.

67722001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 953902.

The product of its (nonzero) digits is 1176, while the sum is 25.

The square root of 67722001 is about 8229.3378226927. The cubic root of 67722001 is about 407.6085269299.

Adding to 67722001 its reverse (10022776), we get a palindrome (77744777).

The spelling of 67722001 in words is "sixty-seven million, seven hundred twenty-two thousand, one".