70439060 has 12 divisors (see below), whose sum is σ = 147922068. Its totient is φ = 28175616.

The previous prime is 70438993. The next prime is 70439069. The reversal of 70439060 is 6093407.

It can be written as a sum of positive squares in 2 ways, for example, as 18627856 + 51811204 = 4316^2 + 7198^2 .

It is a super-2 number, since 2×70439060² = 9923322347367200, which contains 22 as substring.

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1760957 + ... + 1760996.

It is an arithmetic number, because the mean of its divisors is an integer number (12326839).

Almost surely, 2^70439060 is an apocalyptic number.

It is an amenable number.

70439060 is an abundant number, since it is smaller than the sum of its proper divisors (77483008).

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

70439060 is a wasteful number, since it uses less digits than its factorization.

70439060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3521962 (or 3521960 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 70439060 is about 8392.7981031358. The cubic root of 70439060 is about 412.9883973313.

The spelling of 70439060 in words is "seventy million, four hundred thirty-nine thousand, sixty".