70480481 has 4 divisors (see below), whose sum is σ = 74190000. Its totient is φ = 66770964.

The previous prime is 70480471. The next prime is 70480507. The reversal of 70480481 is 18408407.

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: 18408407 = 157 ⋅117251.

It is a cyclic number.

It is not a de Polignac number, because 70480481 - 2²⁶ = 3371617 is a prime.

It is a super-2 number, since 2×70480481² = 9934996403982722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70480471) 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, 1854731 + ... + 1854768.

It is an arithmetic number, because the mean of its divisors is an integer number (18547500).

Almost surely, 2^70480481 is an apocalyptic number.

It is an amenable number.

70480481 is a deficient number, since it is larger than the sum of its proper divisors (3709519).

70480481 is a wasteful number, since it uses less digits than its factorization.

70480481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3709518.

The product of its (nonzero) digits is 7168, while the sum is 32.

The square root of 70480481 is about 8395.2653918742. The cubic root of 70480481 is about 413.0693327310.

Adding to 70480481 its reverse (18408407), we get a palindrome (88888888).

The spelling of 70480481 in words is "seventy million, four hundred eighty thousand, four hundred eighty-one".