70102605 has 16 divisors (see below), whose sum is σ = 115196544. Its totient is φ = 36377280.

The previous prime is 70102589. The next prime is 70102619. The reversal of 70102605 is 50620107.

It is not a de Polignac number, because 70102605 - 2⁴ = 70102589 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62601 + ... + 63710.

It is an arithmetic number, because the mean of its divisors is an integer number (7199784).

Almost surely, 2^70102605 is an apocalyptic number.

It is an amenable number.

70102605 is a deficient number, since it is larger than the sum of its proper divisors (45093939).

70102605 is a wasteful number, since it uses less digits than its factorization.

70102605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126356.

The product of its (nonzero) digits is 420, while the sum is 21.

The square root of 70102605 is about 8372.7298415750. The cubic root of 70102605 is about 412.3297957126.

It can be divided in two parts, 70102 and 605, that added together give a palindrome (70707).

The spelling of 70102605 in words is "seventy million, one hundred two thousand, six hundred five".