68764530 has 32 divisors (see below), whose sum is σ = 165737088. Its totient is φ = 18259200.

The previous prime is 68764529. The next prime is 68764573. The reversal of 68764530 is 3546786.

It is a super-2 number, since 2×68764530² = 9457121172241800, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2475 + ... + 11985.

It is an arithmetic number, because the mean of its divisors is an integer number (5179284).

Almost surely, 2^68764530 is an apocalyptic number.

68764530 is an abundant number, since it is smaller than the sum of its proper divisors (96972558).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68764530 is a wasteful number, since it uses less digits than its factorization.

68764530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9762.

The product of its (nonzero) digits is 120960, while the sum is 39.

The square root of 68764530 is about 8292.4381215659. The cubic root of 68764530 is about 409.6894932385.

The spelling of 68764530 in words is "sixty-eight million, seven hundred sixty-four thousand, five hundred thirty".