106732621 has 2 divisors, whose sum is σ = 106732622. Its totient is φ = 106732620.

The previous prime is 106732609. The next prime is 106732651. The reversal of 106732621 is 126237601.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 106378596 + 354025 = 10314^2 + 595^2 .

It is a cyclic number.

It is not a de Polignac number, because 106732621 - 2¹⁷ = 106601549 is a prime.

It is a super-2 number, since 2×106732621² = 22783704771059282, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 106732621.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (106732651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53366310 + 53366311.

It is an arithmetic number, because the mean of its divisors is an integer number (53366311).

Almost surely, 2^106732621 is an apocalyptic number.

It is an amenable number.

106732621 is a deficient number, since it is larger than the sum of its proper divisors (1).

106732621 is an equidigital number, since it uses as much as digits as its factorization.

106732621 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 106732621 is about 10331.1480968961. The cubic root of 106732621 is about 474.3501673453.

The spelling of 106732621 in words is "one hundred six million, seven hundred thirty-two thousand, six hundred twenty-one".