10720615 has 4 divisors (see below), whose sum is σ = 12864744. Its totient is φ = 8576488.

The previous prime is 10720601. The next prime is 10720627. The reversal of 10720615 is 51602701.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 51602701 = 17 ⋅3035453.

It is a cyclic number.

It is not a de Polignac number, because 10720615 - 2⁵ = 10720583 is a prime.

It is a super-2 number, since 2×10720615² = 229863171956450, which contains 22 as substring.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 1072057 + ... + 1072066.

It is an arithmetic number, because the mean of its divisors is an integer number (3216186).

Almost surely, 2^10720615 is an apocalyptic number.

10720615 is a deficient number, since it is larger than the sum of its proper divisors (2144129).

10720615 is an equidigital number, since it uses as much as digits as its factorization.

10720615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2144128.

The product of its (nonzero) digits is 420, while the sum is 22.

The square root of 10720615 is about 3274.2350251624. The cubic root of 10720615 is about 220.4989707601.

The spelling of 10720615 in words is "ten million, seven hundred twenty thousand, six hundred fifteen".