70536825 has 72 divisors (see below), whose sum is σ = 138928608. Its totient is φ = 35354880.

The previous prime is 70536821. The next prime is 70536839. The reversal of 70536825 is 52863507.

It is not a de Polignac number, because 70536825 - 2² = 70536821 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 70536825.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70536821) by changing a digit.

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 71 ways as a sum of consecutive naturals, for example, 102934 + ... + 103616.

It is an arithmetic number, because the mean of its divisors is an integer number (1929564).

Almost surely, 2^70536825 is an apocalyptic number.

70536825 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

70536825 is a deficient number, since it is larger than the sum of its proper divisors (68391783).

70536825 is a wasteful number, since it uses less digits than its factorization.

70536825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 725 (or 708 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 70536825 is about 8398.6204224265. The cubic root of 70536825 is about 413.1793763390.

The spelling of 70536825 in words is "seventy million, five hundred thirty-six thousand, eight hundred twenty-five".