47645078 has 16 divisors (see below), whose sum is σ = 79449216. Its totient is φ = 21280320.

The previous prime is 47645077. The next prime is 47645089. The reversal of 47645078 is 87054674.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47645077) 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, 28751 + ... + 30362.

It is an arithmetic number, because the mean of its divisors is an integer number (4965576).

Almost surely, 2^47645078 is an apocalyptic number.

47645078 is a deficient number, since it is larger than the sum of its proper divisors (31804138).

47645078 is a wasteful number, since it uses less digits than its factorization.

47645078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59159.

The product of its (nonzero) digits is 188160, while the sum is 41.

The square root of 47645078 is about 6902.5414160293. The cubic root of 47645078 is about 362.5261571296.

It can be divided in two parts, 476 and 45078, that added together give a palindrome (45554).

The spelling of 47645078 in words is "forty-seven million, six hundred forty-five thousand, seventy-eight".