47078445 has 8 divisors (see below), whose sum is σ = 75325536. Its totient is φ = 25108496.

The previous prime is 47078441. The next prime is 47078477. The reversal of 47078445 is 54487074.

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

It is a cyclic number.

It is not a de Polignac number, because 47078445 - 2² = 47078441 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47078441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1569267 + ... + 1569296.

It is an arithmetic number, because the mean of its divisors is an integer number (9415692).

Almost surely, 2^47078445 is an apocalyptic number.

It is an amenable number.

47078445 is a deficient number, since it is larger than the sum of its proper divisors (28247091).

47078445 is a wasteful number, since it uses less digits than its factorization.

47078445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3138571.

The product of its (nonzero) digits is 125440, while the sum is 39.

The square root of 47078445 is about 6861.3734047930. The cubic root of 47078445 is about 361.0832725592.

The spelling of 47078445 in words is "forty-seven million, seventy-eight thousand, four hundred forty-five".