70713090 has 96 divisors (see below), whose sum is σ = 212284800. Its totient is φ = 15996672.

The previous prime is 70713067. The next prime is 70713103. The reversal of 70713090 is 9031707.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 66886 + ... + 67934.

It is an arithmetic number, because the mean of its divisors is an integer number (2211300).

Almost surely, 2^70713090 is an apocalyptic number.

70713090 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 70713090, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106142400).

70713090 is an abundant number, since it is smaller than the sum of its proper divisors (141571710).

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

70713090 is a wasteful number, since it uses less digits than its factorization.

70713090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1176 (or 1173 counting only the distinct ones).

The product of its (nonzero) digits is 1323, while the sum is 27.

The square root of 70713090 is about 8409.1075626371. The cubic root of 70713090 is about 413.5232557358.

Adding to 70713090 its reverse (9031707), we get a palindrome (79744797).

The spelling of 70713090 in words is "seventy million, seven hundred thirteen thousand, ninety".