70480331 has 4 divisors (see below), whose sum is σ = 70507632. Its totient is φ = 70453032.

The previous prime is 70480321. The next prime is 70480343. The reversal of 70480331 is 13308407.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13308407 = 7 ⋅1901201.

It is a cyclic number.

It is not a de Polignac number, because 70480331 - 2¹⁰ = 70479307 is a prime.

It is a super-2 number, since 2×70480331² = 9934954115739122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 70480331.

It is not an unprimeable number, because it can be changed into a prime (70480321) 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, 9320 + ... + 15093.

It is an arithmetic number, because the mean of its divisors is an integer number (17626908).

Almost surely, 2^70480331 is an apocalyptic number.

70480331 is a deficient number, since it is larger than the sum of its proper divisors (27301).

70480331 is a wasteful number, since it uses less digits than its factorization.

70480331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27300.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 70480331 is about 8395.2564582626. The cubic root of 70480331 is about 413.0690396926.

Adding to 70480331 its reverse (13308407), we get a palindrome (83788738).

The spelling of 70480331 in words is "seventy million, four hundred eighty thousand, three hundred thirty-one".