47145706 has 8 divisors (see below), whose sum is σ = 73157220. Its totient is φ = 22759968.

The previous prime is 47145701. The next prime is 47145727. The reversal of 47145706 is 60754174.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 46362481 + 783225 = 6809^2 + 885^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (47145701) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 406371 + ... + 406486.

Almost surely, 2^47145706 is an apocalyptic number.

47145706 is a deficient number, since it is larger than the sum of its proper divisors (26011514).

47145706 is a wasteful number, since it uses less digits than its factorization.

47145706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 812888.

The product of its (nonzero) digits is 23520, while the sum is 34.

The square root of 47145706 is about 6866.2730793350. The cubic root of 47145706 is about 361.2551506870.

The spelling of 47145706 in words is "forty-seven million, one hundred forty-five thousand, seven hundred six".