147406706 has 4 divisors (see below), whose sum is σ = 221110062. Its totient is φ = 73703352.

The previous prime is 147406687. The next prime is 147406717. The reversal of 147406706 is 607604741.

It is a happy number.

147406706 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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., 143017681 + 4389025 = 11959^2 + 2095^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36851675 + ... + 36851678.

Almost surely, 2^147406706 is an apocalyptic number.

147406706 is a deficient number, since it is larger than the sum of its proper divisors (73703356).

147406706 is an equidigital number, since it uses as much as digits as its factorization.

147406706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73703355.

The product of its (nonzero) digits is 28224, while the sum is 35.

The square root of 147406706 is about 12141.1163407654. The cubic root of 147406706 is about 528.2494827462.

The spelling of 147406706 in words is "one hundred forty-seven million, four hundred six thousand, seven hundred six".