70329280 has 56 divisors (see below), whose sum is σ = 191402208. Its totient is φ = 24112128.

The previous prime is 70329271. The next prime is 70329283. The reversal of 70329280 is 8292307.

It is a tau number, because it is divible by the number of its divisors (56).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70329283) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13459 + ... + 17938.

Almost surely, 2^70329280 is an apocalyptic number.

70329280 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

70329280 is an abundant number, since it is smaller than the sum of its proper divisors (121072928).

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

70329280 is a wasteful number, since it uses less digits than its factorization.

70329280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31421 (or 31411 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 70329280 is about 8386.2554218197. The cubic root of 70329280 is about 412.7737368865.

The spelling of 70329280 in words is "seventy million, three hundred twenty-nine thousand, two hundred eighty".