68392152 has 24 divisors (see below), whose sum is σ = 185228940. Its totient is φ = 22797360.

The previous prime is 68392147. The next prime is 68392199. The reversal of 68392152 is 25129386.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×68392152² = 9354972910382208, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

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 5 ways as a sum of consecutive naturals, for example, 474874 + ... + 475017.

Almost surely, 2^68392152 is an apocalyptic number.

It is an amenable number.

68392152 is an abundant number, since it is smaller than the sum of its proper divisors (116836788).

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

68392152 is a wasteful number, since it uses less digits than its factorization.

68392152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 949903 (or 949896 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 68392152 is about 8269.9547761762. The cubic root of 68392152 is about 408.9486288781.

The spelling of 68392152 in words is "sixty-eight million, three hundred ninety-two thousand, one hundred fifty-two".