70530480 has 80 divisors (see below), whose sum is σ = 242945760. Its totient is φ = 18807552.

The previous prime is 70530479. The next prime is 70530497. The reversal of 70530480 is 8403507.

It is a tau number, because it is divible by the number of its divisors (80).

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

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 14167 + ... + 18486.

It is an arithmetic number, because the mean of its divisors is an integer number (3036822).

Almost surely, 2^70530480 is an apocalyptic number.

It is an amenable number.

70530480 is an abundant number, since it is smaller than the sum of its proper divisors (172415280).

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

70530480 is a wasteful number, since it uses less digits than its factorization.

70530480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32675 (or 32663 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 70530480 is about 8398.2426733216. The cubic root of 70530480 is about 413.1669870575.

Adding to 70530480 its reverse (8403507), we get a palindrome (78933987).

The spelling of 70530480 in words is "seventy million, five hundred thirty thousand, four hundred eighty".