34720448 has 56 divisors (see below), whose sum is σ = 82905600. Its totient is φ = 14093568.

The previous prime is 34720447. The next prime is 34720457. The reversal of 34720448 is 84402743.

It is a tau number, because it is divible by the number of its divisors (56).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is not an unprimeable number, because it can be changed into a prime (34720447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6473 + ... + 10551.

Almost surely, 2^34720448 is an apocalyptic number.

34720448 is a gapful number since it is divisible by the number (38) 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 34720448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41452800).

34720448 is an abundant number, since it is smaller than the sum of its proper divisors (48185152).

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

34720448 is a wasteful number, since it uses less digits than its factorization.

34720448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4117 (or 4107 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 32.

The square root of 34720448 is about 5892.4059602169. The cubic root of 34720448 is about 326.2334133266.

The spelling of 34720448 in words is "thirty-four million, seven hundred twenty thousand, four hundred forty-eight".