68537541 has 16 divisors (see below), whose sum is σ = 96842240. Its totient is φ = 42994800.

The previous prime is 68537509. The next prime is 68537543. The reversal of 68537541 is 14573586.

It is not a de Polignac number, because 68537541 - 2⁵ = 68537509 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 68537541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68537543) 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, 4626 + ... + 12588.

It is an arithmetic number, because the mean of its divisors is an integer number (6052640).

Almost surely, 2^68537541 is an apocalyptic number.

It is an amenable number.

68537541 is a deficient number, since it is larger than the sum of its proper divisors (28304699).

68537541 is a wasteful number, since it uses less digits than its factorization.

68537541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8136.

The product of its digits is 100800, while the sum is 39.

The square root of 68537541 is about 8278.7403027272. The cubic root of 68537541 is about 409.2382066972.

It can be divided in two parts, 685 and 37541, that added together give a triangular number (38226 = T₂₇₆).

The spelling of 68537541 in words is "sixty-eight million, five hundred thirty-seven thousand, five hundred forty-one".