70640606 has 4 divisors (see below), whose sum is σ = 105960912. Its totient is φ = 35320302.

The previous prime is 70640569. The next prime is 70640617. The reversal of 70640606 is 60604607.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 60604607 = 7 ⋅8657801.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17660150 + ... + 17660153.

It is an arithmetic number, because the mean of its divisors is an integer number (26490228).

Almost surely, 2^70640606 is an apocalyptic number.

70640606 is a deficient number, since it is larger than the sum of its proper divisors (35320306).

70640606 is a wasteful number, since it uses less digits than its factorization.

70640606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35320305.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 70640606 is about 8404.7966067002. The cubic root of 70640606 is about 413.3819143095.

The spelling of 70640606 in words is "seventy million, six hundred forty thousand, six hundred six".