68670693 has 64 divisors (see below), whose sum is σ = 131891200. Its totient is φ = 34292160.

The previous prime is 68670659. The next prime is 68670727. The reversal of 68670693 is 39607686.

It is an interprime number because it is at equal distance from previous prime (68670659) and next prime (68670727).

It is not a de Polignac number, because 68670693 - 2⁹ = 68670181 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68670643) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 45948 + ... + 47418.

It is an arithmetic number, because the mean of its divisors is an integer number (2060800).

Almost surely, 2^68670693 is an apocalyptic number.

68670693 is a gapful number since it is divisible by the number (63) formed by its first and last digit.

It is an amenable number.

68670693 is a deficient number, since it is larger than the sum of its proper divisors (63220507).

68670693 is a wasteful number, since it uses less digits than its factorization.

68670693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1519 (or 1513 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 45.

The square root of 68670693 is about 8286.7782038619. The cubic root of 68670693 is about 409.5030524803.

It can be divided in two parts, 68 and 670693, that added together give a square (670761 = 819²).

The spelling of 68670693 in words is "sixty-eight million, six hundred seventy thousand, six hundred ninety-three".