70230829 has 4 divisors (see below), whose sum is σ = 70623360. Its totient is φ = 69838300.

The previous prime is 70230793. The next prime is 70230833. The reversal of 70230829 is 92803207.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 70230829 - 2¹³ = 70222637 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 70230829.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70230869) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 195997 + ... + 196354.

It is an arithmetic number, because the mean of its divisors is an integer number (17655840).

Almost surely, 2^70230829 is an apocalyptic number.

It is an amenable number.

70230829 is a deficient number, since it is larger than the sum of its proper divisors (392531).

70230829 is a wasteful number, since it uses less digits than its factorization.

70230829 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392530.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 70230829 is about 8380.3835831064. The cubic root of 70230829 is about 412.5810387462.

The spelling of 70230829 in words is "seventy million, two hundred thirty thousand, eight hundred twenty-nine".