16913730 has 32 divisors (see below), whose sum is σ = 41586048. Its totient is φ = 4400000.

The previous prime is 16913719. The next prime is 16913737. The reversal of 16913730 is 3731961.

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

It is not an unprimeable number, because it can be changed into a prime (16913737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5646 + ... + 8105.

It is an arithmetic number, because the mean of its divisors is an integer number (1299564).

Almost surely, 2^16913730 is an apocalyptic number.

16913730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16913730 is an abundant number, since it is smaller than the sum of its proper divisors (24672318).

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

16913730 is a wasteful number, since it uses less digits than its factorization.

16913730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13802.

The product of its (nonzero) digits is 3402, while the sum is 30.

The square root of 16913730 is about 4112.6305450405. The cubic root of 16913730 is about 256.6924713097.

The spelling of 16913730 in words is "sixteen million, nine hundred thirteen thousand, seven hundred thirty".