70145824 has 24 divisors (see below), whose sum is σ = 157828608. Its totient is φ = 30062400.

The previous prime is 70145819. The next prime is 70145833. The reversal of 70145824 is 42854107.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors.

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 3 ways as a sum of consecutive naturals, for example, 156352 + ... + 156799.

It is an arithmetic number, because the mean of its divisors is an integer number (6576192).

Almost surely, 2^70145824 is an apocalyptic number.

It is an amenable number.

70145824 is an abundant number, since it is smaller than the sum of its proper divisors (87682784).

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

70145824 is a wasteful number, since it uses less digits than its factorization.

70145824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313168 (or 313160 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 31.

The square root of 70145824 is about 8375.3103823082. The cubic root of 70145824 is about 412.4145135369.

The spelling of 70145824 in words is "seventy million, one hundred forty-five thousand, eight hundred twenty-four".