70309092 has 48 divisors (see below), whose sum is σ = 189445760. Its totient is φ = 19878912.

The previous prime is 70309087. The next prime is 70309117. The reversal of 70309092 is 29090307.

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3834 + ... + 12462.

Almost surely, 2^70309092 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70309092, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94722880).

70309092 is an abundant number, since it is smaller than the sum of its proper divisors (119136668).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

70309092 is a wasteful number, since it uses less digits than its factorization.

70309092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8740 (or 8738 counting only the distinct ones).

The product of its (nonzero) digits is 3402, while the sum is 30.

The square root of 70309092 is about 8385.0516993039. The cubic root of 70309092 is about 412.7342375786.

Adding to 70309092 its reverse (29090307), we get a palindrome (99399399).

The spelling of 70309092 in words is "seventy million, three hundred nine thousand, ninety-two".