16994770 has 16 divisors (see below), whose sum is σ = 32943960. Its totient is φ = 6274944.

The previous prime is 16994767. The next prime is 16994771. The reversal of 16994770 is 7749961.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 11363641 + 5631129 = 3371^2 + 2373^2 .

It is not an unprimeable number, because it can be changed into a prime (16994771) 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, 65235 + ... + 65494.

Almost surely, 2^16994770 is an apocalyptic number.

16994770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16994770 is a deficient number, since it is larger than the sum of its proper divisors (15949190).

16994770 is a wasteful number, since it uses less digits than its factorization.

16994770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130749.

The product of its (nonzero) digits is 95256, while the sum is 43.

The square root of 16994770 is about 4122.4713461709. The cubic root of 16994770 is about 257.1017881207.

The spelling of 16994770 in words is "sixteen million, nine hundred ninety-four thousand, seven hundred seventy".