70312480 has 96 divisors (see below), whose sum is σ = 192882816. Its totient is φ = 23721984.

The previous prime is 70312421. The next prime is 70312481. The reversal of 70312480 is 8421307.

It is not an unprimeable number, because it can be changed into a prime (70312481) 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, 74572 + ... + 75508.

It is an arithmetic number, because the mean of its divisors is an integer number (2009196).

Almost surely, 2^70312480 is an apocalyptic number.

70312480 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70312480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96441408).

70312480 is an abundant number, since it is smaller than the sum of its proper divisors (122570336).

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

70312480 is a wasteful number, since it uses less digits than its factorization.

70312480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1026 (or 1018 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 70312480 is about 8385.2537230545. The cubic root of 70312480 is about 412.7408669779.

Adding to 70312480 its reverse (8421307), we get a palindrome (78733787).

The spelling of 70312480 in words is "seventy million, three hundred twelve thousand, four hundred eighty".