68788552 has 24 divisors (see below), whose sum is σ = 150037110. Its totient is φ = 29480640.

The previous prime is 68788543. The next prime is 68788567. The reversal of 68788552 is 25588786.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 68459076 + 329476 = 8274^2 + 574^2 .

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a junction number, because it is equal to n+sod(n) for n = 68788496 and 68788505.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 87349 + ... + 88132.

Almost surely, 2^68788552 is an apocalyptic number.

It is an amenable number.

68788552 is an abundant number, since it is smaller than the sum of its proper divisors (81248558).

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

68788552 is a wasteful number, since it uses less digits than its factorization.

68788552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175501 (or 175490 counting only the distinct ones).

The product of its digits is 1075200, while the sum is 49.

The square root of 68788552 is about 8293.8864231433. The cubic root of 68788552 is about 409.7371942612.

The spelling of 68788552 in words is "sixty-eight million, seven hundred eighty-eight thousand, five hundred fifty-two".