70823472 has 20 divisors (see below), whose sum is σ = 182960760. Its totient is φ = 23607808.

The previous prime is 70823471. The next prime is 70823477. The reversal of 70823472 is 27432807.

It is a super-2 number, since 2×70823472² = 10031928372269568, which contains 22 as substring.

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 (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 737697 + ... + 737792.

It is an arithmetic number, because the mean of its divisors is an integer number (9148038).

Almost surely, 2^70823472 is an apocalyptic number.

It is an amenable number.

70823472 is an abundant number, since it is smaller than the sum of its proper divisors (112137288).

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

70823472 is a wasteful number, since it uses less digits than its factorization.

70823472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1475500 (or 1475494 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 33.

The square root of 70823472 is about 8415.6682444117. The cubic root of 70823472 is about 413.7383115995.

The spelling of 70823472 in words is "seventy million, eight hundred twenty-three thousand, four hundred seventy-two".