47794520 has 64 divisors (see below), whose sum is σ = 111464640. Its totient is φ = 18432000.

The previous prime is 47794507. The next prime is 47794567. The reversal of 47794520 is 2549774.

It is a super-3 number, since 3×47794520³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 247544 + ... + 247736.

It is an arithmetic number, because the mean of its divisors is an integer number (1741635).

Almost surely, 2^47794520 is an apocalyptic number.

47794520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47794520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55732320).

47794520 is an abundant number, since it is smaller than the sum of its proper divisors (63670120).

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

47794520 is a wasteful number, since it uses less digits than its factorization.

47794520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396 (or 392 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 38.

The square root of 47794520 is about 6913.3580841730. The cubic root of 47794520 is about 362.9047907811.

The spelling of 47794520 in words is "forty-seven million, seven hundred ninety-four thousand, five hundred twenty".