3537217640 has 64 divisors (see below), whose sum is σ = 8786957760. Its totient is φ = 1270750720.

The previous prime is 3537217601. The next prime is 3537217661. The reversal of 3537217640 is 467127353.

It is a junction number, because it is equal to n+sod(n) for n = 3537217594 and 3537217603.

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, 11909 + ... + 84948.

It is an arithmetic number, because the mean of its divisors is an integer number (137296215).

Almost surely, 2^3537217640 is an apocalyptic number.

It is an amenable number.

3537217640 is an abundant number, since it is smaller than the sum of its proper divisors (5249740120).

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

3537217640 is a wasteful number, since it uses less digits than its factorization.

3537217640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96962 (or 96958 counting only the distinct ones).

The product of its (nonzero) digits is 105840, while the sum is 38.

The square root of 3537217640 is about 59474.5125242738. The cubic root of 3537217640 is about 1523.6571735713.

The spelling of 3537217640 in words is "three billion, five hundred thirty-seven million, two hundred seventeen thousand, six hundred forty".