63253470 has 128 divisors (see below), whose sum is σ = 185794560. Its totient is φ = 13461120.

The previous prime is 63253459. The next prime is 63253511. The reversal of 63253470 is 7435236.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 331075 + ... + 331265.

It is an arithmetic number, because the mean of its divisors is an integer number (1451520).

Almost surely, 2^63253470 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63253470, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92897280).

63253470 is an abundant number, since it is smaller than the sum of its proper divisors (122541090).

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

63253470 is a wasteful number, since it uses less digits than its factorization.

63253470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310.

The product of its (nonzero) digits is 15120, while the sum is 30.

The square root of 63253470 is about 7953.2050143323. The cubic root of 63253470 is about 398.4386425035.

The spelling of 63253470 in words is "sixty-three million, two hundred fifty-three thousand, four hundred seventy".