16740401 has 2 divisors, whose sum is σ = 16740402. Its totient is φ = 16740400.

The previous prime is 16740377. The next prime is 16740431. The reversal of 16740401 is 10404761.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9985600 + 6754801 = 3160^2 + 2599^2 .

It is a cyclic number.

It is not a de Polignac number, because 16740401 - 2¹⁸ = 16478257 is a prime.

It is a plaindrome in base 9.

It is not a weakly prime, because it can be changed into another prime (16740431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8370200 + 8370201.

It is an arithmetic number, because the mean of its divisors is an integer number (8370201).

Almost surely, 2^16740401 is an apocalyptic number.

It is an amenable number.

16740401 is a deficient number, since it is larger than the sum of its proper divisors (1).

16740401 is an equidigital number, since it uses as much as digits as its factorization.

16740401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 16740401 is about 4091.5035133799. The cubic root of 16740401 is about 255.8126120954.

The spelling of 16740401 in words is "sixteen million, seven hundred forty thousand, four hundred one".