70436603 has 4 divisors (see below), whose sum is σ = 73499088. Its totient is φ = 67374120.

The previous prime is 70436521. The next prime is 70436609. The reversal of 70436603 is 30663407.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30663407 = 557 ⋅55051.

It is a cyclic number.

It is not a de Polignac number, because 70436603 - 2¹² = 70432507 is a prime.

It is a super-2 number, since 2×70436603² = 9922630084359218, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70436609) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1531208 + ... + 1531253.

It is an arithmetic number, because the mean of its divisors is an integer number (18374772).

Almost surely, 2^70436603 is an apocalyptic number.

70436603 is a deficient number, since it is larger than the sum of its proper divisors (3062485).

70436603 is a wasteful number, since it uses less digits than its factorization.

70436603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3062484.

The product of its (nonzero) digits is 9072, while the sum is 29.

The square root of 70436603 is about 8392.6517263616. The cubic root of 70436603 is about 412.9835954298.

The spelling of 70436603 in words is "seventy million, four hundred thirty-six thousand, six hundred three".