67773240 has 64 divisors (see below), whose sum is σ = 225914400. Its totient is φ = 18072576.

The previous prime is 67773239. The next prime is 67773283. The reversal of 67773240 is 4237776.

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

It is a junction number, because it is equal to n+sod(n) for n = 67773195 and 67773204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30297 + ... + 32456.

Almost surely, 2^67773240 is an apocalyptic number.

67773240 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

67773240 is an abundant number, since it is smaller than the sum of its proper divisors (158141160).

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

67773240 is a wasteful number, since it uses less digits than its factorization.

67773240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62773 (or 62763 counting only the distinct ones).

The product of its (nonzero) digits is 49392, while the sum is 36.

The square root of 67773240 is about 8232.4504249950. The cubic root of 67773240 is about 407.7113009563.

The spelling of 67773240 in words is "sixty-seven million, seven hundred seventy-three thousand, two hundred forty".