67720248 has 96 divisors (see below), whose sum is σ = 197598960. Its totient is φ = 20874240.

The previous prime is 67720243. The next prime is 67720321. The reversal of 67720248 is 84202776.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67720243) 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, 74211 + ... + 75117.

Almost surely, 2^67720248 is an apocalyptic number.

67720248 is a gapful number since it is divisible by the number (68) 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 67720248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98799480).

67720248 is an abundant number, since it is smaller than the sum of its proper divisors (129878712).

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

67720248 is a wasteful number, since it uses less digits than its factorization.

67720248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 997 (or 990 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 36.

The square root of 67720248 is about 8229.2313128262. The cubic root of 67720248 is about 407.6050098852.

The spelling of 67720248 in words is "sixty-seven million, seven hundred twenty thousand, two hundred forty-eight".