70923345 has 16 divisors (see below), whose sum is σ = 114540480. Its totient is φ = 37471424.

The previous prime is 70923331. The next prime is 70923353. The reversal of 70923345 is 54332907.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 70923345 - 2⁷ = 70923217 is a prime.

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, 20490 + ... + 23699.

It is an arithmetic number, because the mean of its divisors is an integer number (7158780).

Almost surely, 2^70923345 is an apocalyptic number.

It is an amenable number.

70923345 is a deficient number, since it is larger than the sum of its proper divisors (43617135).

70923345 is a wasteful number, since it uses less digits than its factorization.

70923345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44304.

The product of its (nonzero) digits is 22680, while the sum is 33.

The square root of 70923345 is about 8421.5999073810. The cubic root of 70923345 is about 413.9327004423.

The spelling of 70923345 in words is "seventy million, nine hundred twenty-three thousand, three hundred forty-five".