16332730 has 16 divisors (see below), whose sum is σ = 29479464. Its totient is φ = 6515200.

The previous prime is 16332727. The next prime is 16332739. The reversal of 16332730 is 3723361.

It can be written as a sum of positive squares in 4 ways, for example, as 14447601 + 1885129 = 3801^2 + 1373^2 .

It is a junction number, because it is equal to n+sod(n) for n = 16332695 and 16332704.

It is not an unprimeable number, because it can be changed into a prime (16332739) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1974 + ... + 6046.

Almost surely, 2^16332730 is an apocalyptic number.

16332730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16332730 is a deficient number, since it is larger than the sum of its proper divisors (13146734).

16332730 is a wasteful number, since it uses less digits than its factorization.

16332730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4481.

The product of its (nonzero) digits is 2268, while the sum is 25.

The square root of 16332730 is about 4041.3772404961. The cubic root of 16332730 is about 253.7189629345.

The spelling of 16332730 in words is "sixteen million, three hundred thirty-two thousand, seven hundred thirty".