70701517 has 4 divisors (see below), whose sum is σ = 73775520. Its totient is φ = 67627516.

The previous prime is 70701509. The next prime is 70701559. The reversal of 70701517 is 71510707.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 71510707 = 31 ⋅2306797.

It is a cyclic number.

It is not a de Polignac number, because 70701517 - 2³ = 70701509 is a prime.

It is a super-2 number, since 2×70701517² = 9997409012202578, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70701017) 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, 1536967 + ... + 1537012.

It is an arithmetic number, because the mean of its divisors is an integer number (18443880).

Almost surely, 2^70701517 is an apocalyptic number.

It is an amenable number.

70701517 is a deficient number, since it is larger than the sum of its proper divisors (3074003).

70701517 is a wasteful number, since it uses less digits than its factorization.

70701517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3074002.

The product of its (nonzero) digits is 1715, while the sum is 28.

The square root of 70701517 is about 8408.4194115184. The cubic root of 70701517 is about 413.5006952464.

The spelling of 70701517 in words is "seventy million, seven hundred one thousand, five hundred seventeen".