10720545 has 32 divisors (see below), whose sum is σ = 19160064. Its totient is φ = 5073600.

The previous prime is 10720531. The next prime is 10720573. The reversal of 10720545 is 54502701.

10720545 = T₄₁₅ + T₄₁₆ + ... + T₅₁₃.

It is not a de Polignac number, because 10720545 - 2⁸ = 10720289 is a prime.

It is a super-2 number, since 2×10720545² = 229860170194050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6340 + ... + 7850.

It is an arithmetic number, because the mean of its divisors is an integer number (598752).

Almost surely, 2^10720545 is an apocalyptic number.

10720545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10720545 is a deficient number, since it is larger than the sum of its proper divisors (8439519).

10720545 is a wasteful number, since it uses less digits than its factorization.

10720545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1573.

The product of its (nonzero) digits is 1400, while the sum is 24.

The square root of 10720545 is about 3274.2243356252. The cubic root of 10720545 is about 220.4984908448.

The spelling of 10720545 in words is "ten million, seven hundred twenty thousand, five hundred forty-five".