70439061 has 48 divisors (see below), whose sum is σ = 124275200. Its totient is φ = 34642080.

The previous prime is 70438993. The next prime is 70439069. The reversal of 70439061 is 16093407.

It is a happy number.

It is not a de Polignac number, because 70439061 - 2⁹ = 70438549 is a prime.

It is a super-2 number, since 2×70439061² = 9923322629123442, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70439069) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 47550 + ... + 49008.

Almost surely, 2^70439061 is an apocalyptic number.

It is an amenable number.

70439061 is a deficient number, since it is larger than the sum of its proper divisors (53836139).

70439061 is a wasteful number, since it uses less digits than its factorization.

70439061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1510 (or 1499 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 30.

The square root of 70439061 is about 8392.7981627107. The cubic root of 70439061 is about 412.9883992856.

The spelling of 70439061 in words is "seventy million, four hundred thirty-nine thousand, sixty-one".