16772620 has 12 divisors (see below), whose sum is σ = 35222544. Its totient is φ = 6709040.

The previous prime is 16772597. The next prime is 16772629. The reversal of 16772620 is 2627761.

It is not an unprimeable number, because it can be changed into a prime (16772629) 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, 419296 + ... + 419335.

It is an arithmetic number, because the mean of its divisors is an integer number (2935212).

Almost surely, 2^16772620 is an apocalyptic number.

16772620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16772620 is an abundant number, since it is smaller than the sum of its proper divisors (18449924).

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

16772620 is a wasteful number, since it uses less digits than its factorization.

16772620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 838640 (or 838638 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 31.

The square root of 16772620 is about 4095.4389264156. The cubic root of 16772620 is about 255.9766214002.

The spelling of 16772620 in words is "sixteen million, seven hundred seventy-two thousand, six hundred twenty".