47278726 has 24 divisors (see below), whose sum is σ = 81665064. Its totient is φ = 20355840.

The previous prime is 47278723. The next prime is 47278739. The reversal of 47278726 is 62787274.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47278723) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4966 + ... + 10918.

It is an arithmetic number, because the mean of its divisors is an integer number (3402711).

Almost surely, 2^47278726 is an apocalyptic number.

47278726 is a deficient number, since it is larger than the sum of its proper divisors (34386338).

47278726 is a wasteful number, since it uses less digits than its factorization.

47278726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6004 (or 5985 counting only the distinct ones).

The product of its digits is 263424, while the sum is 43.

The square root of 47278726 is about 6875.9527339853. The cubic root of 47278726 is about 361.5945880083.

The spelling of 47278726 in words is "forty-seven million, two hundred seventy-eight thousand, seven hundred twenty-six".