68648038 has 16 divisors (see below), whose sum is σ = 107361936. Its totient is φ = 32891040.

The previous prime is 68648033. The next prime is 68648053. The reversal of 68648038 is 83084686.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a junction number, because it is equal to n+sod(n) for n = 68647985 and 68648003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68648033) 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, 2973 + ... + 12088.

It is an arithmetic number, because the mean of its divisors is an integer number (6710121).

Almost surely, 2^68648038 is an apocalyptic number.

68648038 is a deficient number, since it is larger than the sum of its proper divisors (38713898).

68648038 is a wasteful number, since it uses less digits than its factorization.

68648038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15159.

The product of its (nonzero) digits is 221184, while the sum is 43.

The square root of 68648038 is about 8285.4111545535. The cubic root of 68648038 is about 409.4580147713.

The spelling of 68648038 in words is "sixty-eight million, six hundred forty-eight thousand, thirty-eight".