47658780 has 240 divisors, whose sum is σ = 168478464. Its totient is φ = 11197440.

The previous prime is 47658757. The next prime is 47658839. The reversal of 47658780 is 8785674.

It is a super-2 number, since 2×47658780² = 4542718622176800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 652824 + ... + 652896.

Almost surely, 2^47658780 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47658780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84239232).

47658780 is an abundant number, since it is smaller than the sum of its proper divisors (120819684).

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

47658780 is a wasteful number, since it uses less digits than its factorization.

47658780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138 (or 127 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 45.

The square root of 47658780 is about 6903.5338776600. The cubic root of 47658780 is about 362.5609061356.

The spelling of 47658780 in words is "forty-seven million, six hundred fifty-eight thousand, seven hundred eighty".