70089742 has 32 divisors (see below), whose sum is σ = 114960384. Its totient is φ = 31920000.

The previous prime is 70089731. The next prime is 70089743. The reversal of 70089742 is 24798007.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70089743) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 279117 + ... + 279367.

It is an arithmetic number, because the mean of its divisors is an integer number (3592512).

Almost surely, 2^70089742 is an apocalyptic number.

70089742 is a deficient number, since it is larger than the sum of its proper divisors (44870642).

70089742 is a wasteful number, since it uses less digits than its factorization.

70089742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 504.

The product of its (nonzero) digits is 28224, while the sum is 37.

The square root of 70089742 is about 8371.9616578195. The cubic root of 70089742 is about 412.3045749542.

The spelling of 70089742 in words is "seventy million, eighty-nine thousand, seven hundred forty-two".