70387361 has 16 divisors (see below), whose sum is σ = 82047168. Its totient is φ = 59673600.

The previous prime is 70387313. The next prime is 70387363. The reversal of 70387361 is 16378307.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-70387361 is a prime.

It is not an unprimeable number, because it can be changed into a prime (70387363) 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, 19466 + ... + 22796.

It is an arithmetic number, because the mean of its divisors is an integer number (5127948).

Almost surely, 2^70387361 is an apocalyptic number.

It is an amenable number.

70387361 is a deficient number, since it is larger than the sum of its proper divisors (11659807).

70387361 is a wasteful number, since it uses less digits than its factorization.

70387361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3472.

The product of its (nonzero) digits is 21168, while the sum is 35.

The square root of 70387361 is about 8389.7175756994. The cubic root of 70387361 is about 412.8873344984.

The spelling of 70387361 in words is "seventy million, three hundred eighty-seven thousand, three hundred sixty-one".