67742036 has 6 divisors (see below), whose sum is σ = 118548570. Its totient is φ = 33871016.

The previous prime is 67742033. The next prime is 67742041. The reversal of 67742036 is 63024776.

It can be written as a sum of positive squares in only one way, i.e., 38365636 + 29376400 = 6194^2 + 5420^2 .

It is a junction number, because it is equal to n+sod(n) for n = 67741987 and 67742005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67742033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8467751 + ... + 8467758.

It is an arithmetic number, because the mean of its divisors is an integer number (19758095).

Almost surely, 2^67742036 is an apocalyptic number.

It is an amenable number.

67742036 is a deficient number, since it is larger than the sum of its proper divisors (50806534).

67742036 is a wasteful number, since it uses less digits than its factorization.

67742036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16935513 (or 16935511 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 35.

The square root of 67742036 is about 8230.5550238122. Note that the first 3 decimals coincide. The cubic root of 67742036 is about 407.6487188494.

The spelling of 67742036 in words is "sixty-seven million, seven hundred forty-two thousand, thirty-six".