70807642 has 16 divisors (see below), whose sum is σ = 112010400. Its totient is φ = 33477840.

The previous prime is 70807637. The next prime is 70807651. The reversal of 70807642 is 24670807.

It is a junction number, because it is equal to n+sod(n) for n = 70807598 and 70807607.

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 7 ways as a sum of consecutive naturals, for example, 23709 + ... + 26527.

It is an arithmetic number, because the mean of its divisors is an integer number (7000650).

Almost surely, 2^70807642 is an apocalyptic number.

70807642 is a deficient number, since it is larger than the sum of its proper divisors (41202758).

70807642 is a wasteful number, since it uses less digits than its factorization.

70807642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3501.

The product of its (nonzero) digits is 18816, while the sum is 34.

The square root of 70807642 is about 8414.7276842450. The cubic root of 70807642 is about 413.7074839407.

The spelling of 70807642 in words is "seventy million, eight hundred seven thousand, six hundred forty-two".