67750944 has 48 divisors (see below), whose sum is σ = 179278848. Its totient is φ = 22401792.

The previous prime is 67750897. The next prime is 67750951. The reversal of 67750944 is 44905776.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×67750944² = 9180380825782272, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 67750896 and 67750905.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9414 + ... + 14970.

It is an arithmetic number, because the mean of its divisors is an integer number (3734976).

Almost surely, 2^67750944 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 67750944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89639424).

67750944 is an abundant number, since it is smaller than the sum of its proper divisors (111527904).

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

67750944 is a wasteful number, since it uses less digits than its factorization.

67750944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5697 (or 5689 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 42.

The square root of 67750944 is about 8231.0961602936. The cubic root of 67750944 is about 407.6665865125. Note that the first 3 decimals are identical.

The spelling of 67750944 in words is "sixty-seven million, seven hundred fifty thousand, nine hundred forty-four".