78050725 has 12 divisors (see below), whose sum is σ = 96930304. Its totient is φ = 62345520.

The previous prime is 78050701. The next prime is 78050729. The reversal of 78050725 is 52705087.

It is a de Polignac number, because none of the positive numbers 2^k-78050725 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78050729) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17692 + ... + 21658.

Almost surely, 2^78050725 is an apocalyptic number.

It is an amenable number.

78050725 is a deficient number, since it is larger than the sum of its proper divisors (18879579).

78050725 is a wasteful number, since it uses less digits than its factorization.

78050725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4764 (or 4759 counting only the distinct ones).

The product of its (nonzero) digits is 19600, while the sum is 34.

The square root of 78050725 is about 8834.6321372200. The cubic root of 78050725 is about 427.3584680190.

The spelling of 78050725 in words is "seventy-eight million, fifty thousand, seven hundred twenty-five".