70065500 has 48 divisors (see below), whose sum is σ = 162044064. Its totient is φ = 26374400.

The previous prime is 70065497. The next prime is 70065503. The reversal of 70065500 is 556007.

It is an interprime number because it is at equal distance from previous prime (70065497) and next prime (70065503).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70065503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4379 + ... + 12621.

It is an arithmetic number, because the mean of its divisors is an integer number (3375918).

Almost surely, 2^70065500 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 70065500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81022032).

70065500 is an abundant number, since it is smaller than the sum of its proper divisors (91978564).

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

70065500 is a wasteful number, since it uses less digits than its factorization.

70065500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8279 (or 8267 counting only the distinct ones).

The product of its (nonzero) digits is 1050, while the sum is 23.

The square root of 70065500 is about 8370.5137237806. The cubic root of 70065500 is about 412.2570347590.

The spelling of 70065500 in words is "seventy million, sixty-five thousand, five hundred".