78474125 has 16 divisors (see below), whose sum is σ = 103699440. Its totient is φ = 59084800.

The previous prime is 78474119. The next prime is 78474133. The reversal of 78474125 is 52147487.

It can be written as a sum of positive squares in 8 ways, for example, as 8684809 + 69789316 = 2947^2 + 8354^2 .

It is not a de Polignac number, because 78474125 - 2⁶ = 78474061 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16340 + ... + 20589.

It is an arithmetic number, because the mean of its divisors is an integer number (6481215).

Almost surely, 2^78474125 is an apocalyptic number.

It is an amenable number.

78474125 is a deficient number, since it is larger than the sum of its proper divisors (25225315).

78474125 is a wasteful number, since it uses less digits than its factorization.

78474125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36961 (or 36951 counting only the distinct ones).

The product of its digits is 62720, while the sum is 38.

The square root of 78474125 is about 8858.5622422603. The cubic root of 78474125 is about 428.1298354898.

The spelling of 78474125 in words is "seventy-eight million, four hundred seventy-four thousand, one hundred twenty-five".