70825015 has 8 divisors (see below), whose sum is σ = 85150368. Its totient is φ = 56553120.

The previous prime is 70824997. The next prime is 70825031. The reversal of 70825015 is 51052807.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 70825015 - 2⁵ = 70824983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 10387 + ... + 15796.

It is an arithmetic number, because the mean of its divisors is an integer number (10643796).

Almost surely, 2^70825015 is an apocalyptic number.

70825015 is a deficient number, since it is larger than the sum of its proper divisors (14325353).

70825015 is a wasteful number, since it uses less digits than its factorization.

70825015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26729.

The product of its (nonzero) digits is 2800, while the sum is 28.

The square root of 70825015 is about 8415.7599181536. The cubic root of 70825015 is about 413.7413162229.

The spelling of 70825015 in words is "seventy million, eight hundred twenty-five thousand, fifteen".