70645260662 has 4 divisors (see below), whose sum is σ = 105967890996. Its totient is φ = 35322630330.

The previous prime is 70645260661. The next prime is 70645260689. The reversal of 70645260662 is 26606254607.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 26606254607 = 79 ⋅336788033.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70645260661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17661315164 + ... + 17661315167.

It is an arithmetic number, because the mean of its divisors is an integer number (26491972749).

Almost surely, 2^70645260662 is an apocalyptic number.

70645260662 is a deficient number, since it is larger than the sum of its proper divisors (35322630334).

70645260662 is a wasteful number, since it uses less digits than its factorization.

70645260662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35322630333.

The product of its (nonzero) digits is 725760, while the sum is 44.

The spelling of 70645260662 in words is "seventy billion, six hundred forty-five million, two hundred sixty thousand, six hundred sixty-two".