70823470 has 16 divisors (see below), whose sum is σ = 128132928. Its totient is φ = 28184800.

The previous prime is 70823461. The next prime is 70823471. The reversal of 70823470 is 7432807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70823471) 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 7 ways as a sum of consecutive naturals, for example, 16006 + ... + 19945.

It is an arithmetic number, because the mean of its divisors is an integer number (8008308).

Almost surely, 2^70823470 is an apocalyptic number.

70823470 is a deficient number, since it is larger than the sum of its proper divisors (57309458).

70823470 is a wasteful number, since it uses less digits than its factorization.

70823470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36155.

The product of its (nonzero) digits is 9408, while the sum is 31.

The square root of 70823470 is about 8415.6681255858. The cubic root of 70823470 is about 413.7383077050.

The spelling of 70823470 in words is "seventy million, eight hundred twenty-three thousand, four hundred seventy".