5090721 has 8 divisors (see below), whose sum is σ = 6798624. Its totient is φ = 3388320.

The previous prime is 5090713. The next prime is 5090737. The reversal of 5090721 is 1270905.

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

It is not a de Polignac number, because 5090721 - 2³ = 5090713 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 5090691 and 5090700.

It is not an unprimeable number, because it can be changed into a prime (5090741) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1906 + ... + 3716.

It is an arithmetic number, because the mean of its divisors is an integer number (849828).

Almost surely, 2^5090721 is an apocalyptic number.

It is an amenable number.

5090721 is a deficient number, since it is larger than the sum of its proper divisors (1707903).

5090721 is a wasteful number, since it uses less digits than its factorization.

5090721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2751.

The product of its (nonzero) digits is 630, while the sum is 24.

The square root of 5090721 is about 2256.2626176933. The cubic root of 5090721 is about 172.0256068780.

The spelling of 5090721 in words is "five million, ninety thousand, seven hundred twenty-one".