70276320 has 144 divisors (see below), whose sum is σ = 246486240. Its totient is φ = 18220032.

The previous prime is 70276313. The next prime is 70276321. The reversal of 70276320 is 2367207.

70276320 is a `hidden beast` number, since 7 + 0 + 27 + 632 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a super-2 number, since 2×70276320² = 9877522305484800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70276321) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 52621 + ... + 53939.

It is an arithmetic number, because the mean of its divisors is an integer number (1711710).

Almost surely, 2^70276320 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70276320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123243120).

70276320 is an abundant number, since it is smaller than the sum of its proper divisors (176209920).

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

70276320 is a wasteful number, since it uses less digits than its factorization.

70276320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1377 (or 1366 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 27.

The square root of 70276320 is about 8383.0972796455. The cubic root of 70276320 is about 412.6701006457.

The spelling of 70276320 in words is "seventy million, two hundred seventy-six thousand, three hundred twenty".