67973240 has 16 divisors (see below), whose sum is σ = 152939880. Its totient is φ = 27189280.

The previous prime is 67973231. The next prime is 67973333. The reversal of 67973240 is 4237976.

It is a super-2 number, since 2×67973240² = 9240722712195200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 67973194 and 67973203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 849626 + ... + 849705.

Almost surely, 2^67973240 is an apocalyptic number.

It is an amenable number.

67973240 is an abundant number, since it is smaller than the sum of its proper divisors (84966640).

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

67973240 is a wasteful number, since it uses less digits than its factorization.

67973240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1699342 (or 1699338 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 38.

The square root of 67973240 is about 8244.5885282408. The cubic root of 67973240 is about 408.1119614557. Note that the first 3 decimals are identical.

The spelling of 67973240 in words is "sixty-seven million, nine hundred seventy-three thousand, two hundred forty".