78054352 has 10 divisors (see below), whose sum is σ = 151230338. Its totient is φ = 39027168.

The previous prime is 78054329. The next prime is 78054359. The reversal of 78054352 is 25345087.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 60279696 + 17774656 = 7764^2 + 4216^2 .

It is a super-2 number, since 2×78054352² = 12184963732279808, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78054359) by changing a digit.

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 as a sum of consecutive naturals, namely, 2439183 + ... + 2439214.

Almost surely, 2^78054352 is an apocalyptic number.

It is an amenable number.

78054352 is a deficient number, since it is larger than the sum of its proper divisors (73175986).

78054352 is a wasteful number, since it uses less digits than its factorization.

78054352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4878405 (or 4878399 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 34.

The square root of 78054352 is about 8834.8374065401. The cubic root of 78054352 is about 427.3650876678.

The spelling of 78054352 in words is "seventy-eight million, fifty-four thousand, three hundred fifty-two".