47016640 has 168 divisors, whose sum is σ = 132386832. Its totient is φ = 15759360.

The previous prime is 47016631. The next prime is 47016643. The reversal of 47016640 is 4661074.

It is a junction number, because it is equal to n+sod(n) for n = 47016599 and 47016608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47016643) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1270702 + ... + 1270738.

Almost surely, 2^47016640 is an apocalyptic number.

47016640 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 47016640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66193416).

47016640 is an abundant number, since it is smaller than the sum of its proper divisors (85370192).

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

47016640 is a wasteful number, since it uses less digits than its factorization.

47016640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103 (or 74 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 47016640 is about 6856.8680897331. The cubic root of 47016640 is about 360.9251922554.

The spelling of 47016640 in words is "forty-seven million, sixteen thousand, six hundred forty".