67872650 has 12 divisors (see below), whose sum is σ = 126243222. Its totient is φ = 27149040.

The previous prime is 67872643. The next prime is 67872661. The reversal of 67872650 is 5627876.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 39025009 + 28847641 = 6247^2 + 5371^2 .

It is a junction number, because it is equal to n+sod(n) for n = 67872598 and 67872607.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 678677 + ... + 678776.

Almost surely, 2^67872650 is an apocalyptic number.

67872650 is a deficient number, since it is larger than the sum of its proper divisors (58370572).

67872650 is a wasteful number, since it uses less digits than its factorization.

67872650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1357465 (or 1357460 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 41.

The square root of 67872650 is about 8238.4859045822. The cubic root of 67872650 is about 407.9105476391.

The spelling of 67872650 in words is "sixty-seven million, eight hundred seventy-two thousand, six hundred fifty".