70005724 has 12 divisors (see below), whose sum is σ = 122648400. Its totient is φ = 34963328.

The previous prime is 70005707. The next prime is 70005731. The reversal of 70005724 is 42750007.

It is a congruent number.

It is an unprimeable number.

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, 5704 + ... + 13135.

It is an arithmetic number, because the mean of its divisors is an integer number (10220700).

Almost surely, 2^70005724 is an apocalyptic number.

It is an amenable number.

70005724 is a deficient number, since it is larger than the sum of its proper divisors (52642676).

70005724 is a wasteful number, since it uses less digits than its factorization.

70005724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19772 (or 19770 counting only the distinct ones).

The product of its (nonzero) digits is 1960, while the sum is 25.

The square root of 70005724 is about 8366.9423327761. The cubic root of 70005724 is about 412.1397631209.

The spelling of 70005724 in words is "seventy million, five thousand, seven hundred twenty-four".