70648330 has 16 divisors (see below), whose sum is σ = 130269384. Its totient is φ = 27569920.

The previous prime is 70648313. The next prime is 70648363. The reversal of 70648330 is 3384607.

It can be written as a sum of positive squares in 4 ways, for example, as 17197609 + 53450721 = 4147^2 + 7311^2 .

It is a junction number, because it is equal to n+sod(n) for n = 70648292 and 70648301.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85747 + ... + 86566.

Almost surely, 2^70648330 is an apocalyptic number.

70648330 is a deficient number, since it is larger than the sum of its proper divisors (59621054).

70648330 is a wasteful number, since it uses less digits than its factorization.

70648330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172361.

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 70648330 is about 8405.2560936595. The cubic root of 70648330 is about 413.3969804578.

The spelling of 70648330 in words is "seventy million, six hundred forty-eight thousand, three hundred thirty".