70255330 has 8 divisors (see below), whose sum is σ = 126459612. Its totient is φ = 28102128.

The previous prime is 70255321. The next prime is 70255337. The reversal of 70255330 is 3355207.

It can be written as a sum of positive squares in 2 ways, for example, as 66243321 + 4012009 = 8139^2 + 2003^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×70255330² = 9871622786817800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 70255295 and 70255304.

It is not an unprimeable number, because it can be changed into a prime (70255337) 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, 3512757 + ... + 3512776.

Almost surely, 2^70255330 is an apocalyptic number.

70255330 is a deficient number, since it is larger than the sum of its proper divisors (56204282).

70255330 is a wasteful number, since it uses less digits than its factorization.

70255330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7025540.

The product of its (nonzero) digits is 3150, while the sum is 25.

The square root of 70255330 is about 8381.8452622319. The cubic root of 70255330 is about 412.6290113763.

The spelling of 70255330 in words is "seventy million, two hundred fifty-five thousand, three hundred thirty".