70829285 has 8 divisors (see below), whose sum is σ = 87292536. Its totient is φ = 55131840.

The previous prime is 70829279. The next prime is 70829287. The reversal of 70829285 is 58292807.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 32103556 + 38725729 = 5666^2 + 6223^2 .

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

It is not a de Polignac number, because 70829285 - 2¹⁸ = 70567141 is a prime.

It is a super-2 number, since 2×70829285² = 10033575227222450, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70829287) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 191246 + ... + 191615.

It is an arithmetic number, because the mean of its divisors is an integer number (10911567).

Almost surely, 2^70829285 is an apocalyptic number.

It is an amenable number.

70829285 is a deficient number, since it is larger than the sum of its proper divisors (16463251).

70829285 is a wasteful number, since it uses less digits than its factorization.

70829285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382903.

The product of its (nonzero) digits is 80640, while the sum is 41.

The square root of 70829285 is about 8416.0136050270. The cubic root of 70829285 is about 413.7496307990.

The spelling of 70829285 in words is "seventy million, eight hundred twenty-nine thousand, two hundred eighty-five".