67563552 has 144 divisors (see below), whose sum is σ = 210978432. Its totient is φ = 18869760.

The previous prime is 67563547. The next prime is 67563553. The reversal of 67563552 is 25536576.

It is a self number, because there is not a number n which added to its sum of digits gives 67563552.

It is not an unprimeable number, because it can be changed into a prime (67563553) 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, 249177 + ... + 249447.

It is an arithmetic number, because the mean of its divisors is an integer number (1465128).

Almost surely, 2^67563552 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 67563552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105489216).

67563552 is an abundant number, since it is smaller than the sum of its proper divisors (143414880).

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

67563552 is a wasteful number, since it uses less digits than its factorization.

67563552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351 (or 336 counting only the distinct ones).

The product of its digits is 189000, while the sum is 39.

The square root of 67563552 is about 8219.7051041993. The cubic root of 67563552 is about 407.2903851246.

The spelling of 67563552 in words is "sixty-seven million, five hundred sixty-three thousand, five hundred fifty-two".