70100517 has 16 divisors (see below), whose sum is σ = 97044480. Its totient is φ = 44962800.

The previous prime is 70100507. The next prime is 70100521. The reversal of 70100517 is 71500107.

It is not a de Polignac number, because 70100517 - 2¹² = 70096421 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 70100493 and 70100502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70100507) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14542 + ... + 18752.

It is an arithmetic number, because the mean of its divisors is an integer number (6065280).

Almost surely, 2^70100517 is an apocalyptic number.

It is an amenable number.

70100517 is a deficient number, since it is larger than the sum of its proper divisors (26943963).

70100517 is a wasteful number, since it uses less digits than its factorization.

70100517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4424.

The product of its (nonzero) digits is 245, while the sum is 21.

The square root of 70100517 is about 8372.6051501310. The cubic root of 70100517 is about 412.3257019363.

The spelling of 70100517 in words is "seventy million, one hundred thousand, five hundred seventeen".