70239240 has 192 divisors, whose sum is σ = 252720000. Its totient is φ = 16828416.

The previous prime is 70239233. The next prime is 70239241. The reversal of 70239240 is 4293207.

It is not an unprimeable number, because it can be changed into a prime (70239241) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 140511 + ... + 141009.

It is an arithmetic number, because the mean of its divisors is an integer number (1316250).

Almost surely, 2^70239240 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70239240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (126360000).

70239240 is an abundant number, since it is smaller than the sum of its proper divisors (182480760).

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

70239240 is a wasteful number, since it uses less digits than its factorization.

70239240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 556 (or 549 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 70239240 is about 8380.8853947539. The cubic root of 70239240 is about 412.5975086291.

The spelling of 70239240 in words is "seventy million, two hundred thirty-nine thousand, two hundred forty".