2757325720 has 16 divisors (see below), whose sum is σ = 6203982960. Its totient is φ = 1102930272.

The previous prime is 2757325673. The next prime is 2757325751. The reversal of 2757325720 is 275237572.

It is a Harshad number since it is a multiple of its sum of digits (40), and also a Moran number because the ratio is a prime number: 68933143 = 2757325720 / (2 + 7 + 5 + 7 + 3 + 2 + 5 + 7 + 2 + 0).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34466532 + ... + 34466611.

It is an arithmetic number, because the mean of its divisors is an integer number (387748935).

Almost surely, 2^2757325720 is an apocalyptic number.

2757325720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2757325720 is an abundant number, since it is smaller than the sum of its proper divisors (3446657240).

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

2757325720 is a wasteful number, since it uses less digits than its factorization.

2757325720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68933154 (or 68933150 counting only the distinct ones).

The product of its (nonzero) digits is 205800, while the sum is 40.

The square root of 2757325720 is about 52510.2439529660. The cubic root of 2757325720 is about 1402.2626201915.

The spelling of 2757325720 in words is "two billion, seven hundred fifty-seven million, three hundred twenty-five thousand, seven hundred twenty".