3550640073 has 8 divisors (see below), whose sum is σ = 4736174688. Its totient is φ = 2366099424.

The previous prime is 3550640053. The next prime is 3550640081. The reversal of 3550640073 is 3700460553.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3550640073 - 2¹⁰ = 3550639049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3550640053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 240115 + ... + 254472.

It is an arithmetic number, because the mean of its divisors is an integer number (592021836).

Almost surely, 2^3550640073 is an apocalyptic number.

It is an amenable number.

3550640073 is a deficient number, since it is larger than the sum of its proper divisors (1185534615).

3550640073 is a wasteful number, since it uses less digits than its factorization.

3550640073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 496983.

The product of its (nonzero) digits is 37800, while the sum is 33.

The square root of 3550640073 is about 59587.2475702646. The cubic root of 3550640073 is about 1525.5819795037.

The spelling of 3550640073 in words is "three billion, five hundred fifty million, six hundred forty thousand, seventy-three".