34351720007 has 4 divisors (see below), whose sum is σ = 37474603656. Its totient is φ = 31228836360.

The previous prime is 34351720003. The next prime is 34351720027. The reversal of 34351720007 is 70002715343.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 34351720007 - 2² = 34351720003 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34351720003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1561441808 + ... + 1561441829.

It is an arithmetic number, because the mean of its divisors is an integer number (9368650914).

Almost surely, 2^34351720007 is an apocalyptic number.

34351720007 is a deficient number, since it is larger than the sum of its proper divisors (3122883649).

34351720007 is a wasteful number, since it uses less digits than its factorization.

34351720007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3122883648.

The product of its (nonzero) digits is 17640, while the sum is 32.

The spelling of 34351720007 in words is "thirty-four billion, three hundred fifty-one million, seven hundred twenty thousand, seven".