70530481 has 8 divisors (see below), whose sum is σ = 80866304. Its totient is φ = 60259680.

The previous prime is 70530479. The next prime is 70530497. The reversal of 70530481 is 18403507.

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

It is a cyclic number.

It is not a de Polignac number, because 70530481 - 2¹ = 70530479 is a prime.

It is a super-2 number, since 2×70530481² = 9949097500182722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70530781) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13905 + ... + 18286.

It is an arithmetic number, because the mean of its divisors is an integer number (10108288).

Almost surely, 2^70530481 is an apocalyptic number.

It is an amenable number.

70530481 is a deficient number, since it is larger than the sum of its proper divisors (10335823).

70530481 is a wasteful number, since it uses less digits than its factorization.

70530481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32511.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 70530481 is about 8398.2427328579. The cubic root of 70530481 is about 413.1669890102.

Adding to 70530481 its reverse (18403507), we get a palindrome (88933988).

The spelling of 70530481 in words is "seventy million, five hundred thirty thousand, four hundred eighty-one".