16772530 has 8 divisors (see below), whose sum is σ = 30190572. Its totient is φ = 6709008.

The previous prime is 16772521. The next prime is 16772533. The reversal of 16772530 is 3527761.

It can be written as a sum of positive squares in 2 ways, for example, as 16752649 + 19881 = 4093^2 + 141^2 .

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

It is a nialpdrome in base 8 and base 16.

It is a junction number, because it is equal to n+sod(n) for n = 16772492 and 16772501.

It is not an unprimeable number, because it can be changed into a prime (16772533) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 838617 + ... + 838636.

Almost surely, 2^16772530 is an apocalyptic number.

16772530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16772530 is a deficient number, since it is larger than the sum of its proper divisors (13418042).

16772530 is a wasteful number, since it uses less digits than its factorization.

16772530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1677260.

The product of its (nonzero) digits is 8820, while the sum is 31.

The square root of 16772530 is about 4095.4279385676. The cubic root of 16772530 is about 255.9761635521.

The spelling of 16772530 in words is "sixteen million, seven hundred seventy-two thousand, five hundred thirty".