47179042 has 4 divisors (see below), whose sum is σ = 70768566. Its totient is φ = 23589520.

The previous prime is 47179031. The next prime is 47179051. The reversal of 47179042 is 24097174.

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., 24910081 + 22268961 = 4991^2 + 4719^2 .

It is a junction number, because it is equal to n+sod(n) for n = 47178989 and 47179007.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11794759 + ... + 11794762.

Almost surely, 2^47179042 is an apocalyptic number.

47179042 is a deficient number, since it is larger than the sum of its proper divisors (23589524).

47179042 is a wasteful number, since it uses less digits than its factorization.

47179042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23589523.

The product of its (nonzero) digits is 14112, while the sum is 34.

The square root of 47179042 is about 6868.7001681541. The cubic root of 47179042 is about 361.3402766042.

The spelling of 47179042 in words is "forty-seven million, one hundred seventy-nine thousand, forty-two".