78034025 has 6 divisors (see below), whose sum is σ = 96762222. Its totient is φ = 62427200.

The previous prime is 78034003. The next prime is 78034031. The reversal of 78034025 is 52043087.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 10086976 + 67947049 = 3176^2 + 8243^2 .

It is not a de Polignac number, because 78034025 - 2¹⁰ = 78033001 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1560656 + ... + 1560705.

It is an arithmetic number, because the mean of its divisors is an integer number (16127037).

Almost surely, 2^78034025 is an apocalyptic number.

It is an amenable number.

78034025 is a deficient number, since it is larger than the sum of its proper divisors (18728197).

78034025 is a wasteful number, since it uses less digits than its factorization.

78034025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3121371 (or 3121366 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 78034025 is about 8833.6869426078. The cubic root of 78034025 is about 427.3279861519.

The spelling of 78034025 in words is "seventy-eight million, thirty-four thousand, twenty-five".