70730070 has 32 divisors (see below), whose sum is σ = 170844768. Its totient is φ = 18739968.

The previous prime is 70730063. The next prime is 70730071. The reversal of 70730070 is 7003707.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 70730070.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70730071) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2799 + ... + 12218.

It is an arithmetic number, because the mean of its divisors is an integer number (5338899).

Almost surely, 2^70730070 is an apocalyptic number.

70730070 is an abundant number, since it is smaller than the sum of its proper divisors (100114698).

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

70730070 is a wasteful number, since it uses less digits than its factorization.

70730070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15184.

The product of its (nonzero) digits is 1029, while the sum is 24.

The square root of 70730070 is about 8410.1171216577. The cubic root of 70730070 is about 413.5563522150.

Adding to 70730070 its reverse (7003707), we get a palindrome (77733777).

The spelling of 70730070 in words is "seventy million, seven hundred thirty thousand, seventy".