70091603 has 8 divisors (see below), whose sum is σ = 73851648. Its totient is φ = 66390984.

The previous prime is 70091597. The next prime is 70091611. The reversal of 70091603 is 30619007.

It is a happy number.

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 70091603 - 2¹⁴ = 70075219 is a prime.

It is a super-2 number, since 2×70091603² = 9825665622219218, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70091303) 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, 12425 + ... + 17162.

It is an arithmetic number, because the mean of its divisors is an integer number (9231456).

Almost surely, 2^70091603 is an apocalyptic number.

70091603 is a deficient number, since it is larger than the sum of its proper divisors (3760045).

70091603 is a wasteful number, since it uses less digits than its factorization.

70091603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29713.

The product of its (nonzero) digits is 1134, while the sum is 26.

The square root of 70091603 is about 8372.0728018813. The cubic root of 70091603 is about 412.3082240475.

The spelling of 70091603 in words is "seventy million, ninety-one thousand, six hundred three".