2729720346 has 16 divisors (see below), whose sum is σ = 5460609600. Its totient is φ = 909711968.

The previous prime is 2729720341. The next prime is 2729720353. The reversal of 2729720346 is 6430279272.

It is a junction number, because it is equal to n+sod(n) for n = 2729720298 and 2729720307.

It is not an unprimeable number, because it can be changed into a prime (2729720341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16731 + ... + 75758.

It is an arithmetic number, because the mean of its divisors is an integer number (341288100).

Almost surely, 2^2729720346 is an apocalyptic number.

2729720346 is an abundant number, since it is smaller than the sum of its proper divisors (2730889254).

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

2729720346 is a wasteful number, since it uses less digits than its factorization.

2729720346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97413.

The product of its (nonzero) digits is 254016, while the sum is 42.

The square root of 2729720346 is about 52246.7256964492. The cubic root of 2729720346 is about 1397.5672625697.

The spelling of 2729720346 in words is "two billion, seven hundred twenty-nine million, seven hundred twenty thousand, three hundred forty-six".