3493478073 has 32 divisors (see below), whose sum is σ = 5135708160. Its totient is φ = 2102474880.

The previous prime is 3493478059. The next prime is 3493478077. The reversal of 3493478073 is 3708743943.

It is a happy number.

It is not a de Polignac number, because 3493478073 - 2⁵ = 3493478041 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3493478077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 350365 + ... + 360197.

It is an arithmetic number, because the mean of its divisors is an integer number (160490880).

Almost surely, 2^3493478073 is an apocalyptic number.

It is an amenable number.

3493478073 is a deficient number, since it is larger than the sum of its proper divisors (1642230087).

3493478073 is a wasteful number, since it uses less digits than its factorization.

3493478073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10149.

The product of its (nonzero) digits is 1524096, while the sum is 48.

The square root of 3493478073 is about 59105.6517855949. The cubic root of 3493478073 is about 1517.3508323385.

The spelling of 3493478073 in words is "three billion, four hundred ninety-three million, four hundred seventy-eight thousand, seventy-three".