2732456391 has 8 divisors (see below), whose sum is σ = 4163743104. Its totient is φ = 1561403640.

The previous prime is 2732456347. The next prime is 2732456407. The reversal of 2732456391 is 1936542372.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2732456391 - 2¹¹ = 2732454343 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2732456791) 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, 65058465 + ... + 65058506.

It is an arithmetic number, because the mean of its divisors is an integer number (520467888).

Almost surely, 2^2732456391 is an apocalyptic number.

2732456391 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2732456391 is a deficient number, since it is larger than the sum of its proper divisors (1431286713).

2732456391 is a wasteful number, since it uses less digits than its factorization.

2732456391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130116981.

The product of its digits is 272160, while the sum is 42.

The square root of 2732456391 is about 52272.9030282421. The cubic root of 2732456391 is about 1398.0340417743.

The spelling of 2732456391 in words is "two billion, seven hundred thirty-two million, four hundred fifty-six thousand, three hundred ninety-one".