70492823 has 4 divisors (see below), whose sum is σ = 72923640. Its totient is φ = 68062008.

The previous prime is 70492801. The next prime is 70492837. The reversal of 70492823 is 32829407.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 70492823 - 2⁸ = 70492567 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70492883) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1215365 + ... + 1215422.

It is an arithmetic number, because the mean of its divisors is an integer number (18230910).

Almost surely, 2^70492823 is an apocalyptic number.

70492823 is a deficient number, since it is larger than the sum of its proper divisors (2430817).

70492823 is a wasteful number, since it uses less digits than its factorization.

70492823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2430816.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 70492823 is about 8396.0004168652. Note that the first 3 decimals coincide. The cubic root of 70492823 is about 413.0934424990.

The spelling of 70492823 in words is "seventy million, four hundred ninety-two thousand, eight hundred twenty-three".