70640410 has 16 divisors (see below), whose sum is σ = 128413512. Its totient is φ = 27976000.

The previous prime is 70640399. The next prime is 70640419. The reversal of 70640410 is 1404607.

It can be written as a sum of positive squares in 4 ways, for example, as 59954049 + 10686361 = 7743^2 + 3269^2 .

It is not an unprimeable number, because it can be changed into a prime (70640419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33961 + ... + 35980.

Almost surely, 2^70640410 is an apocalyptic number.

70640410 is a deficient number, since it is larger than the sum of its proper divisors (57773102).

70640410 is a wasteful number, since it uses less digits than its factorization.

70640410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70049.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 70640410 is about 8404.7849466836. The cubic root of 70640410 is about 413.3815319849.

The spelling of 70640410 in words is "seventy million, six hundred forty thousand, four hundred ten".