70013390 has 16 divisors (see below), whose sum is σ = 126800208. Its totient is φ = 27832896.

The previous prime is 70013369. The next prime is 70013399. The reversal of 70013390 is 9331007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70013399) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19847 + ... + 23106.

It is an arithmetic number, because the mean of its divisors is an integer number (7925013).

Almost surely, 2^70013390 is an apocalyptic number.

70013390 is a deficient number, since it is larger than the sum of its proper divisors (56786818).

70013390 is a wasteful number, since it uses less digits than its factorization.

70013390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43123.

The product of its (nonzero) digits is 567, while the sum is 23.

The square root of 70013390 is about 8367.4004326314. The cubic root of 70013390 is about 412.1548064056.

Adding to 70013390 its reverse (9331007), we get a palindrome (79344397).

The spelling of 70013390 in words is "seventy million, thirteen thousand, three hundred ninety".