70393561 has 8 divisors (see below), whose sum is σ = 80515904. Its totient is φ = 60287760.

The previous prime is 70393559. The next prime is 70393577. The reversal of 70393561 is 16539307.

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 70393561 - 2¹ = 70393559 is a prime.

It is not an unprimeable number, because it can be changed into a prime (70390561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6991 + ... + 13771.

It is an arithmetic number, because the mean of its divisors is an integer number (10064488).

Almost surely, 2^70393561 is an apocalyptic number.

It is an amenable number.

70393561 is a deficient number, since it is larger than the sum of its proper divisors (10122343).

70393561 is a wasteful number, since it uses less digits than its factorization.

70393561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8271.

The product of its (nonzero) digits is 17010, while the sum is 34.

The square root of 70393561 is about 8390.0870674862. The cubic root of 70393561 is about 412.8994570645.

The spelling of 70393561 in words is "seventy million, three hundred ninety-three thousand, five hundred sixty-one".