67977452 has 6 divisors (see below), whose sum is σ = 118960548. Its totient is φ = 33988724.

The previous prime is 67977439. The next prime is 67977457. The reversal of 67977452 is 25477976.

It is a junction number, because it is equal to n+sod(n) for n = 67977397 and 67977406.

It is not an unprimeable number, because it can be changed into a prime (67977457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8497178 + ... + 8497185.

It is an arithmetic number, because the mean of its divisors is an integer number (19826758).

Almost surely, 2^67977452 is an apocalyptic number.

It is an amenable number.

67977452 is a deficient number, since it is larger than the sum of its proper divisors (50983096).

67977452 is a wasteful number, since it uses less digits than its factorization.

67977452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16994367 (or 16994365 counting only the distinct ones).

The product of its digits is 740880, while the sum is 47.

The square root of 67977452 is about 8244.8439645636. The cubic root of 67977452 is about 408.1203909106.

The spelling of 67977452 in words is "sixty-seven million, nine hundred seventy-seven thousand, four hundred fifty-two".