3545072780 has 24 divisors (see below), whose sum is σ = 7452161808. Its totient is φ = 1416598848.

The previous prime is 3545072759. The next prime is 3545072821. The reversal of 3545072780 is 872705453.

It is a super-3 number, since 3×3545072780³ (a number of 30 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68954 + ... + 108833.

It is an arithmetic number, because the mean of its divisors is an integer number (310506742).

Almost surely, 2^3545072780 is an apocalyptic number.

It is an amenable number.

3545072780 is an abundant number, since it is smaller than the sum of its proper divisors (3907089028).

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

3545072780 is a wasteful number, since it uses less digits than its factorization.

3545072780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178793 (or 178791 counting only the distinct ones).

The product of its (nonzero) digits is 235200, while the sum is 41.

The square root of 3545072780 is about 59540.5137700373. The cubic root of 3545072780 is about 1524.7842073949.

The spelling of 3545072780 in words is "three billion, five hundred forty-five million, seventy-two thousand, seven hundred eighty".