68739435 has 40 divisors (see below), whose sum is σ = 129721680. Its totient is φ = 34727616.

The previous prime is 68739383. The next prime is 68739439. The reversal of 68739435 is 53493786.

It is not a de Polignac number, because 68739435 - 2¹¹ = 68737387 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (68739439) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 3229 + ... + 12161.

It is an arithmetic number, because the mean of its divisors is an integer number (3243042).

Almost surely, 2^68739435 is an apocalyptic number.

68739435 is a deficient number, since it is larger than the sum of its proper divisors (60982245).

68739435 is a wasteful number, since it uses less digits than its factorization.

68739435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8969 (or 8960 counting only the distinct ones).

The product of its digits is 544320, while the sum is 45.

The square root of 68739435 is about 8290.9248579396. The cubic root of 68739435 is about 409.6396496696.

The spelling of 68739435 in words is "sixty-eight million, seven hundred thirty-nine thousand, four hundred thirty-five".