70215601 has 8 divisors (see below), whose sum is σ = 71053920. Its totient is φ = 69381312.

The previous prime is 70215599. The next prime is 70215617. The reversal of 70215601 is 10651207.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 70215601 - 2¹ = 70215599 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70215631) 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, 46606 + ... + 48088.

It is an arithmetic number, because the mean of its divisors is an integer number (8881740).

Almost surely, 2^70215601 is an apocalyptic number.

It is an amenable number.

70215601 is a deficient number, since it is larger than the sum of its proper divisors (838319).

70215601 is a wasteful number, since it uses less digits than its factorization.

70215601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2015.

The product of its (nonzero) digits is 420, while the sum is 22.

The square root of 70215601 is about 8379.4749835536. The cubic root of 70215601 is about 412.5512169035.

Adding to 70215601 its reverse (10651207), we get a palindrome (80866808).

The spelling of 70215601 in words is "seventy million, two hundred fifteen thousand, six hundred one".