68503747 has 8 divisors (see below), whose sum is σ = 74098640. Its totient is φ = 62955360.

The previous prime is 68503741. The next prime is 68503753. The reversal of 68503747 is 74730586.

It is an interprime number because it is at equal distance from previous prime (68503741) and next prime (68503753).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 68503747 - 2³ = 68503739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68503741) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8529 + ... + 14482.

It is an arithmetic number, because the mean of its divisors is an integer number (9262330).

Almost surely, 2^68503747 is an apocalyptic number.

68503747 is a deficient number, since it is larger than the sum of its proper divisors (5594893).

68503747 is a wasteful number, since it uses less digits than its factorization.

68503747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23253.

The product of its (nonzero) digits is 141120, while the sum is 40.

The square root of 68503747 is about 8276.6990400763. The cubic root of 68503747 is about 409.1709342242.

The spelling of 68503747 in words is "sixty-eight million, five hundred three thousand, seven hundred forty-seven".