16372740 has 24 divisors (see below), whose sum is σ = 45843840. Its totient is φ = 4366048.

The previous prime is 16372739. The next prime is 16372753. The reversal of 16372740 is 4727361.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 16372698 and 16372707.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 136380 + ... + 136499.

It is an arithmetic number, because the mean of its divisors is an integer number (1910160).

Almost surely, 2^16372740 is an apocalyptic number.

16372740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16372740 is an abundant number, since it is smaller than the sum of its proper divisors (29471100).

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

16372740 is a wasteful number, since it uses less digits than its factorization.

16372740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272891 (or 272889 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 30.

The square root of 16372740 is about 4046.3242578914. The cubic root of 16372740 is about 253.9259709448.

The spelling of 16372740 in words is "sixteen million, three hundred seventy-two thousand, seven hundred forty".