70067642 has 16 divisors (see below), whose sum is σ = 111549312. Its totient is φ = 32894400.

The previous prime is 70067629. The next prime is 70067717. The reversal of 70067642 is 24676007.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 70067599 and 70067608.

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 7 ways as a sum of consecutive naturals, for example, 13517 + ... + 17967.

It is an arithmetic number, because the mean of its divisors is an integer number (6971832).

Almost surely, 2^70067642 is an apocalyptic number.

70067642 is a deficient number, since it is larger than the sum of its proper divisors (41481670).

70067642 is a wasteful number, since it uses less digits than its factorization.

70067642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4933.

The product of its (nonzero) digits is 14112, while the sum is 32.

The square root of 70067642 is about 8370.6416719389. The cubic root of 70067642 is about 412.2612358069.

The spelling of 70067642 in words is "seventy million, sixty-seven thousand, six hundred forty-two".