68433416 has 8 divisors (see below), whose sum is σ = 128312670. Its totient is φ = 34216704.

The previous prime is 68433413. The next prime is 68433433. The reversal of 68433416 is 61433486.

It can be written as a sum of positive squares in only one way, i.e., 45832900 + 22600516 = 6770^2 + 4754^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (68433413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4277081 + ... + 4277096.

Almost surely, 2^68433416 is an apocalyptic number.

It is an amenable number.

68433416 is a deficient number, since it is larger than the sum of its proper divisors (59879254).

68433416 is a wasteful number, since it uses less digits than its factorization.

68433416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8554183 (or 8554179 counting only the distinct ones).

The product of its digits is 41472, while the sum is 35.

The square root of 68433416 is about 8272.4492141082. The cubic root of 68433416 is about 409.0308579209.

The spelling of 68433416 in words is "sixty-eight million, four hundred thirty-three thousand, four hundred sixteen".