2736992721 has 8 divisors (see below), whose sum is σ = 3655997344. Its totient is φ = 1821324960.

The previous prime is 2736992717. The next prime is 2736992729. The reversal of 2736992721 is 1272996372.

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

It is not a de Polignac number, because 2736992721 - 2² = 2736992717 is a prime.

It is a super-2 number, since 2×2736992721² = 14982258309613967682, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2736992729) 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, 832300 + ... + 835581.

It is an arithmetic number, because the mean of its divisors is an integer number (456999668).

Almost surely, 2^2736992721 is an apocalyptic number.

It is an amenable number.

2736992721 is a deficient number, since it is larger than the sum of its proper divisors (919004623).

2736992721 is a wasteful number, since it uses less digits than its factorization.

2736992721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1668431.

The product of its digits is 571536, while the sum is 48.

The square root of 2736992721 is about 52316.2758708989. The cubic root of 2736992721 is about 1398.8072700266.

The spelling of 2736992721 in words is "two billion, seven hundred thirty-six million, nine hundred ninety-two thousand, seven hundred twenty-one".