47315400 has 192 divisors, whose sum is σ = 163918080. Its totient is φ = 11193600.

The previous prime is 47315399. The next prime is 47315407. The reversal of 47315400 is 451374.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (47315407) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 442147 + ... + 442253.

It is an arithmetic number, because the mean of its divisors is an integer number (853740).

Almost surely, 2^47315400 is an apocalyptic number.

47315400 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 47315400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81959040).

47315400 is an abundant number, since it is smaller than the sum of its proper divisors (116602680).

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

47315400 is a wasteful number, since it uses less digits than its factorization.

47315400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204 (or 195 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 47315400 is about 6878.6190474542. The cubic root of 47315400 is about 361.6880598764.

Adding to 47315400 its reverse (451374), we get a palindrome (47766774).

The spelling of 47315400 in words is "forty-seven million, three hundred fifteen thousand, four hundred".