70643414 has 24 divisors (see below), whose sum is σ = 110054280. Its totient is φ = 34000992.

The previous prime is 70643413. The next prime is 70643423. The reversal of 70643414 is 41434607.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70643411) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 508157 + ... + 508295.

It is an arithmetic number, because the mean of its divisors is an integer number (4585595).

Almost surely, 2^70643414 is an apocalyptic number.

70643414 is a deficient number, since it is larger than the sum of its proper divisors (39410866).

70643414 is a wasteful number, since it uses less digits than its factorization.

70643414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332 (or 273 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 70643414 is about 8404.9636525092. The cubic root of 70643414 is about 413.3873916173.

The spelling of 70643414 in words is "seventy million, six hundred forty-three thousand, four hundred fourteen".