70865725 has 24 divisors (see below), whose sum is σ = 105717440. Its totient is φ = 46033920.

The previous prime is 70865723. The next prime is 70865749. The reversal of 70865725 is 52756807.

It is not a de Polignac number, because 70865725 - 2¹ = 70865723 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70865723) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7332 + ... + 13981.

Almost surely, 2^70865725 is an apocalyptic number.

It is an amenable number.

70865725 is a deficient number, since it is larger than the sum of its proper divisors (34851715).

70865725 is a wasteful number, since it uses less digits than its factorization.

70865725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21349 (or 21344 counting only the distinct ones).

The product of its (nonzero) digits is 117600, while the sum is 40.

The square root of 70865725 is about 8418.1782471031. The cubic root of 70865725 is about 413.8205734497.

The spelling of 70865725 in words is "seventy million, eight hundred sixty-five thousand, seven hundred twenty-five".