5279720 has 32 divisors (see below), whose sum is σ = 12506400. Its totient is φ = 2000448.

The previous prime is 5279689. The next prime is 5279731. The reversal of 5279720 is 279725.

Added to its reverse (279725) it gives a triangular number (5559445 = T₃₃₃₄).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2714 + ... + 4233.

It is an arithmetic number, because the mean of its divisors is an integer number (390825).

Almost surely, 2^5279720 is an apocalyptic number.

It is an amenable number.

5279720 is an abundant number, since it is smaller than the sum of its proper divisors (7226680).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5279720 is a wasteful number, since it uses less digits than its factorization.

5279720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6977 (or 6973 counting only the distinct ones).

The product of its (nonzero) digits is 8820, while the sum is 32.

The square root of 5279720 is about 2297.7641306279. The cubic root of 5279720 is about 174.1286756825.

Adding to 5279720 its reverse (279725), we get a triangular number (5559445 = T₃₃₃₄).

The spelling of 5279720 in words is "five million, two hundred seventy-nine thousand, seven hundred twenty".