68702500 has 30 divisors (see below), whose sum is σ = 150244094. Its totient is φ = 27480000.

The previous prime is 68702489. The next prime is 68702507. The reversal of 68702500 is 520786.

It can be written as a sum of positive squares in 5 ways, for example, as 9474084 + 59228416 = 3078^2 + 7696^2 .

It is not an unprimeable number, because it can be changed into a prime (68702507) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 11241 + ... + 16240.

Almost surely, 2^68702500 is an apocalyptic number.

It is an amenable number.

68702500 is an abundant number, since it is smaller than the sum of its proper divisors (81541594).

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

68702500 is a wasteful number, since it uses less digits than its factorization.

68702500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27505 (or 27488 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 68702500 is about 8288.6971231913. The cubic root of 68702500 is about 409.5662674781.

The spelling of 68702500 in words is "sixty-eight million, seven hundred two thousand, five hundred".