47078620 has 12 divisors (see below), whose sum is σ = 98865144. Its totient is φ = 18831440.

The previous prime is 47078617. The next prime is 47078639. The reversal of 47078620 is 2687074.

It is a super-2 number, since 2×47078620² = 4432792922208800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1176946 + ... + 1176985.

It is an arithmetic number, because the mean of its divisors is an integer number (8238762).

Almost surely, 2^47078620 is an apocalyptic number.

It is an amenable number.

47078620 is an abundant number, since it is smaller than the sum of its proper divisors (51786524).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

47078620 is a wasteful number, since it uses less digits than its factorization.

47078620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2353940 (or 2353938 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 34.

The square root of 47078620 is about 6861.3861573300. The cubic root of 47078620 is about 361.0837199649.

The spelling of 47078620 in words is "forty-seven million, seventy-eight thousand, six hundred twenty".