70690560 has 144 divisors (see below), whose sum is σ = 231789600. Its totient is φ = 18350080.

The previous prime is 70690553. The next prime is 70690567. The reversal of 70690560 is 6509607.

It is an interprime number because it is at equal distance from previous prime (70690553) and next prime (70690567).

It is a super-2 number, since 2×70690560² = 9994310546227200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70690567) 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, 157216 + ... + 157664.

It is an arithmetic number, because the mean of its divisors is an integer number (1609650).

Almost surely, 2^70690560 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70690560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115894800).

70690560 is an abundant number, since it is smaller than the sum of its proper divisors (161099040).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

70690560 is a wasteful number, since it uses less digits than its factorization.

70690560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 514 (or 500 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 33.

The square root of 70690560 is about 8407.7678369470. The cubic root of 70690560 is about 413.4793333230.

The spelling of 70690560 in words is "seventy million, six hundred ninety thousand, five hundred sixty".