70340481 has 36 divisors (see below), whose sum is σ = 107699904. Its totient is φ = 45927000.

The previous prime is 70340477. The next prime is 70340483. The reversal of 70340481 is 18404307.

It is not a de Polignac number, because 70340481 - 2² = 70340477 is a prime.

It is a super-2 number, since 2×70340481² = 9895566534622722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (70340483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 465756 + ... + 465906.

It is an arithmetic number, because the mean of its divisors is an integer number (2991664).

Almost surely, 2^70340481 is an apocalyptic number.

70340481 is a gapful number since it is divisible by the number (71) formed by its first and last digit.

It is an amenable number.

70340481 is a deficient number, since it is larger than the sum of its proper divisors (37359423).

70340481 is an frugal number, since it uses more digits than its factorization.

70340481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246 (or 225 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 70340481 is about 8386.9232141471. The cubic root of 70340481 is about 412.7956492071.

Adding to 70340481 its reverse (18404307), we get a palindrome (88744788).

The spelling of 70340481 in words is "seventy million, three hundred forty thousand, four hundred eighty-one".