63470400 has 168 divisors, whose sum is σ = 238109760. Its totient is φ = 14499840.

The previous prime is 63470383. The next prime is 63470411. The reversal of 63470400 is 407436.

It is a tau number, because it is divible by the number of its divisors (168).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32656 + ... + 34544.

It is an arithmetic number, because the mean of its divisors is an integer number (1417320).

Almost surely, 2^63470400 is an apocalyptic number.

63470400 is a gapful number since it is divisible by the number (60) 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 63470400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119054880).

63470400 is an abundant number, since it is smaller than the sum of its proper divisors (174639360).

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

63470400 is a wasteful number, since it uses less digits than its factorization.

63470400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1921 (or 1906 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 24.

The square root of 63470400 is about 7966.8312395833. The cubic root of 63470400 is about 398.8936092369.

Adding to 63470400 its reverse (407436), we get a palindrome (63877836).

The spelling of 63470400 in words is "sixty-three million, four hundred seventy thousand, four hundred".