70043742 has 24 divisors (see below), whose sum is σ = 152607000. Its totient is φ = 23217840.

The previous prime is 70043681. The next prime is 70043759. The reversal of 70043742 is 24734007.

It is a super-2 number, since 2×70043742² = 9812251586725128, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7492 + ... + 14007.

It is an arithmetic number, because the mean of its divisors is an integer number (6358625).

Almost surely, 2^70043742 is an apocalyptic number.

70043742 is an abundant number, since it is smaller than the sum of its proper divisors (82563258).

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

70043742 is a wasteful number, since it uses less digits than its factorization.

70043742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21688 (or 21685 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 27.

The square root of 70043742 is about 8369.2139415838. The cubic root of 70043742 is about 412.2143565164.

Adding to 70043742 its reverse (24734007), we get a palindrome (94777749).

The spelling of 70043742 in words is "seventy million, forty-three thousand, seven hundred forty-two".