70660535 has 8 divisors (see below), whose sum is σ = 92501136. Its totient is φ = 51389440.

The previous prime is 70660529. The next prime is 70660543. The reversal of 70660535 is 53506607.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 70660535 - 2¹⁴ = 70644151 is a prime.

It is a super-2 number, since 2×70660535² = 9985822412972450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 642314 + ... + 642423.

It is an arithmetic number, because the mean of its divisors is an integer number (11562642).

Almost surely, 2^70660535 is an apocalyptic number.

70660535 is a deficient number, since it is larger than the sum of its proper divisors (21840601).

70660535 is a wasteful number, since it uses less digits than its factorization.

70660535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1284753.

The product of its (nonzero) digits is 18900, while the sum is 32.

The square root of 70660535 is about 8405.9820961028. The cubic root of 70660535 is about 413.4207848404.

The spelling of 70660535 in words is "seventy million, six hundred sixty thousand, five hundred thirty-five".