3493700736 has 128 divisors (see below), whose sum is σ = 10253692800. Its totient is φ = 1048363008.

The previous prime is 3493700711. The next prime is 3493700737. The reversal of 3493700736 is 6370073943.

It is a tau number, because it is divible by the number of its divisors (128).

It is not an unprimeable number, because it can be changed into a prime (3493700737) 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, 138510 + ... + 161778.

It is an arithmetic number, because the mean of its divisors is an integer number (80106975).

Almost surely, 2^3493700736 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3493700736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5126846400).

3493700736 is an abundant number, since it is smaller than the sum of its proper divisors (6759992064).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3493700736 is a wasteful number, since it uses less digits than its factorization.

3493700736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23326 (or 23314 counting only the distinct ones).

The product of its (nonzero) digits is 285768, while the sum is 42.

The square root of 3493700736 is about 59107.5353571776. The cubic root of 3493700736 is about 1517.3830686661.

The spelling of 3493700736 in words is "three billion, four hundred ninety-three million, seven hundred thousand, seven hundred thirty-six".