78465725 has 48 divisors (see below), whose sum is σ = 112284480. Its totient is φ = 53913600.

The previous prime is 78465697. The next prime is 78465749. The reversal of 78465725 is 52756487.

It is not a de Polignac number, because 78465725 - 2⁶ = 78465661 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 598910 + ... + 599040.

It is an arithmetic number, because the mean of its divisors is an integer number (2339260).

Almost surely, 2^78465725 is an apocalyptic number.

It is an amenable number.

78465725 is a deficient number, since it is larger than the sum of its proper divisors (33818755).

78465725 is a wasteful number, since it uses less digits than its factorization.

78465725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270 (or 265 counting only the distinct ones).

The product of its digits is 470400, while the sum is 44.

The square root of 78465725 is about 8858.0881120025. The cubic root of 78465725 is about 428.1145590364.

The spelling of 78465725 in words is "seventy-eight million, four hundred sixty-five thousand, seven hundred twenty-five".