70689042 has 24 divisors (see below), whose sum is σ = 155101440. Its totient is φ = 23264280.

The previous prime is 70689029. The next prime is 70689061. The reversal of 70689042 is 24098607.

It is a junction number, because it is equal to n+sod(n) for n = 70688988 and 70689006.

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, 23434 + ... + 26277.

It is an arithmetic number, because the mean of its divisors is an integer number (6462560).

Almost surely, 2^70689042 is an apocalyptic number.

70689042 is an abundant number, since it is smaller than the sum of its proper divisors (84412398).

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

70689042 is a wasteful number, since it uses less digits than its factorization.

70689042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49798 (or 49795 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 70689042 is about 8407.6775627994. The cubic root of 70689042 is about 413.4763736344.

It can be divided in two parts, 7068 and 9042, that added together give a triangular number (16110 = T₁₇₉).

The spelling of 70689042 in words is "seventy million, six hundred eighty-nine thousand, forty-two".