68203534 has 32 divisors (see below), whose sum is σ = 124876800. Its totient is φ = 27306720.

The previous prime is 68203493. The next prime is 68203537. The reversal of 68203534 is 43530286.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a junction number, because it is equal to n+sod(n) for n = 68203496 and 68203505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68203537) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9877 + ... + 15295.

It is an arithmetic number, because the mean of its divisors is an integer number (3902400).

Almost surely, 2^68203534 is an apocalyptic number.

68203534 is a deficient number, since it is larger than the sum of its proper divisors (56673266).

68203534 is a wasteful number, since it uses less digits than its factorization.

68203534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5488.

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 68203534 is about 8258.5430918534. The cubic root of 68203534 is about 408.5723376952.

The spelling of 68203534 in words is "sixty-eight million, two hundred three thousand, five hundred thirty-four".