3646870073 has 16 divisors (see below), whose sum is σ = 4814204544. Its totient is φ = 2674556160.

The previous prime is 3646870067. The next prime is 3646870079. The reversal of 3646870073 is 3700786463.

It is an interprime number because it is at equal distance from previous prime (3646870067) and next prime (3646870079).

It is a cyclic number.

It is not a de Polignac number, because 3646870073 - 2¹⁰ = 3646869049 is a prime.

It is a super-2 number, since 2×3646870073² = 26599322658686050658, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3646870079) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1391690 + ... + 1394307.

It is an arithmetic number, because the mean of its divisors is an integer number (300887784).

Almost surely, 2^3646870073 is an apocalyptic number.

It is an amenable number.

3646870073 is a deficient number, since it is larger than the sum of its proper divisors (1167334471).

3646870073 is a wasteful number, since it uses less digits than its factorization.

3646870073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2786032.

The product of its (nonzero) digits is 508032, while the sum is 44.

The square root of 3646870073 is about 60389.3208522831. The cubic root of 3646870073 is about 1539.2414987686.

The spelling of 3646870073 in words is "three billion, six hundred forty-six million, eight hundred seventy thousand, seventy-three".