16770746 has 4 divisors (see below), whose sum is σ = 25156122. Its totient is φ = 8385372.

The previous prime is 16770739. The next prime is 16770757. The reversal of 16770746 is 64707761.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 16687225 + 83521 = 4085^2 + 289^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4192685 + ... + 4192688.

Almost surely, 2^16770746 is an apocalyptic number.

16770746 is a deficient number, since it is larger than the sum of its proper divisors (8385376).

16770746 is an equidigital number, since it uses as much as digits as its factorization.

16770746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8385375.

The product of its (nonzero) digits is 49392, while the sum is 38.

The square root of 16770746 is about 4095.2101289189. The cubic root of 16770746 is about 255.9670876471.

The spelling of 16770746 in words is "sixteen million, seven hundred seventy thousand, seven hundred forty-six".