68770533 has 16 divisors (see below), whose sum is σ = 99259776. Its totient is φ = 42100800.

The previous prime is 68770523. The next prime is 68770543. The reversal of 68770533 is 33507786.

It is an interprime number because it is at equal distance from previous prime (68770523) and next prime (68770543).

It is not a de Polignac number, because 68770533 - 2⁴ = 68770517 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a junction number, because it is equal to n+sod(n) for n = 68770491 and 68770500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68770523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3208 + ... + 12158.

It is an arithmetic number, because the mean of its divisors is an integer number (6203736).

Almost surely, 2^68770533 is an apocalyptic number.

It is an amenable number.

68770533 is a deficient number, since it is larger than the sum of its proper divisors (30489243).

68770533 is a wasteful number, since it uses less digits than its factorization.

68770533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9164.

The product of its (nonzero) digits is 105840, while the sum is 39.

The square root of 68770533 is about 8292.8000699402. The cubic root of 68770533 is about 409.7014145709.

The spelling of 68770533 in words is "sixty-eight million, seven hundred seventy thousand, five hundred thirty-three".