70103611 has 4 divisors (see below), whose sum is σ = 70142800. Its totient is φ = 70064424.

The previous prime is 70103603. The next prime is 70103629. The reversal of 70103611 is 11630107.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11630107 = 947 ⋅12281.

It is a cyclic number.

It is not a de Polignac number, because 70103611 - 2³ = 70103603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70103681) 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, 16776 + ... + 20533.

It is an arithmetic number, because the mean of its divisors is an integer number (17535700).

Almost surely, 2^70103611 is an apocalyptic number.

70103611 is a deficient number, since it is larger than the sum of its proper divisors (39189).

70103611 is a wasteful number, since it uses less digits than its factorization.

70103611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39188.

The product of its (nonzero) digits is 126, while the sum is 19.

The square root of 70103611 is about 8372.7899173454. The cubic root of 70103611 is about 412.3317680682.

Adding to 70103611 its reverse (11630107), we get a palindrome (81733718).

The spelling of 70103611 in words is "seventy million, one hundred three thousand, six hundred eleven".