5073721 has 2 divisors, whose sum is σ = 5073722. Its totient is φ = 5073720.

The previous prime is 5073689. The next prime is 5073737. The reversal of 5073721 is 1273705.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4562496 + 511225 = 2136^2 + 715^2 .

It is a cyclic number.

It is not a de Polignac number, because 5073721 - 2⁵ = 5073689 is a prime.

5073721 is a lucky number.

It is equal to p₃₅₃₂₅₇ and since 5073721 and 353257 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (5073781) 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, 2536860 + 2536861.

It is an arithmetic number, because the mean of its divisors is an integer number (2536861).

Almost surely, 2^5073721 is an apocalyptic number.

It is an amenable number.

5073721 is a deficient number, since it is larger than the sum of its proper divisors (1).

5073721 is an equidigital number, since it uses as much as digits as its factorization.

5073721 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1470, while the sum is 25.

The square root of 5073721 is about 2252.4921753471. The cubic root of 5073721 is about 171.8339053708.

The spelling of 5073721 in words is "five million, seventy-three thousand, seven hundred twenty-one".