78252334 has 16 divisors (see below), whose sum is σ = 118434240. Its totient is φ = 38776320.

The previous prime is 78252331. The next prime is 78252337. The reversal of 78252334 is 43325287.

It is an interprime number because it is at equal distance from previous prime (78252331) and next prime (78252337).

It is a super-2 number, since 2×78252334² = 12246855552895112, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 78252334.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78252331) 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 in 7 ways as a sum of consecutive naturals, for example, 191122 + ... + 191530.

It is an arithmetic number, because the mean of its divisors is an integer number (7402140).

Almost surely, 2^78252334 is an apocalyptic number.

78252334 is a deficient number, since it is larger than the sum of its proper divisors (40181906).

78252334 is a wasteful number, since it uses less digits than its factorization.

78252334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1035.

The product of its digits is 40320, while the sum is 34.

The square root of 78252334 is about 8846.0349309733. The cubic root of 78252334 is about 427.7261145507.

The spelling of 78252334 in words is "seventy-eight million, two hundred fifty-two thousand, three hundred thirty-four".