3647667345 has 16 divisors (see below), whose sum is σ = 6670020480. Its totient is φ = 1667505024.

The previous prime is 3647667323. The next prime is 3647667371. The reversal of 3647667345 is 5437667463.

It is not a de Polignac number, because 3647667345 - 2⁶ = 3647667281 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17369740 + ... + 17369949.

It is an arithmetic number, because the mean of its divisors is an integer number (416876280).

Almost surely, 2^3647667345 is an apocalyptic number.

3647667345 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3647667345 is a deficient number, since it is larger than the sum of its proper divisors (3022353135).

3647667345 is a wasteful number, since it uses less digits than its factorization.

3647667345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34739704.

The product of its digits is 7620480, while the sum is 51.

The square root of 3647667345 is about 60395.9215924387. The cubic root of 3647667345 is about 1539.3536593068.

The spelling of 3647667345 in words is "three billion, six hundred forty-seven million, six hundred sixty-seven thousand, three hundred forty-five".