78703252 has 6 divisors (see below), whose sum is σ = 137730698. Its totient is φ = 39351624.

The previous prime is 78703243. The next prime is 78703253. The reversal of 78703252 is 25230787.

It can be written as a sum of positive squares in only one way, i.e., 76842756 + 1860496 = 8766^2 + 1364^2 .

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78703253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9837903 + ... + 9837910.

Almost surely, 2^78703252 is an apocalyptic number.

It is an amenable number.

78703252 is a deficient number, since it is larger than the sum of its proper divisors (59027446).

78703252 is a wasteful number, since it uses less digits than its factorization.

78703252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19675817 (or 19675815 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 34.

The square root of 78703252 is about 8871.4853322316. The cubic root of 78703252 is about 428.5461119225.

The spelling of 78703252 in words is "seventy-eight million, seven hundred three thousand, two hundred fifty-two".