106747994 has 4 divisors (see below), whose sum is σ = 160121994. Its totient is φ = 53373996.

The previous prime is 106747937. The next prime is 106747999. The reversal of 106747994 is 499747601.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 499747601 = 79 ⋅6325919.

It can be written as a sum of positive squares in only one way, i.e., 57957769 + 48790225 = 7613^2 + 6985^2 .

It is a super-2 number, since 2×106747994² = 22790268446048072, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (106747999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26686997 + ... + 26687000.

Almost surely, 2^106747994 is an apocalyptic number.

106747994 is a deficient number, since it is larger than the sum of its proper divisors (53374000).

106747994 is an equidigital number, since it uses as much as digits as its factorization.

106747994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53373999.

The product of its (nonzero) digits is 381024, while the sum is 47.

The square root of 106747994 is about 10331.8920822858. The cubic root of 106747994 is about 474.3729402489.

The spelling of 106747994 in words is "one hundred six million, seven hundred forty-seven thousand, nine hundred ninety-four".