73722007 has 2 divisors, whose sum is σ = 73722008. Its totient is φ = 73722006.

The previous prime is 73721987. The next prime is 73722017. The reversal of 73722007 is 70022737.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-73722007 is a prime.

It is a super-2 number, since 2×73722007² = 10869868632216098, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73722017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36861003 + 36861004.

It is an arithmetic number, because the mean of its divisors is an integer number (36861004).

Almost surely, 2^73722007 is an apocalyptic number.

73722007 is a deficient number, since it is larger than the sum of its proper divisors (1).

73722007 is an equidigital number, since it uses as much as digits as its factorization.

73722007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4116, while the sum is 28.

The square root of 73722007 is about 8586.1520485023. The cubic root of 73722007 is about 419.3072612905.

The spelling of 73722007 in words is "seventy-three million, seven hundred twenty-two thousand, seven".