2721068078 has 4 divisors (see below), whose sum is σ = 4081602120. Its totient is φ = 1360534038.

The previous prime is 2721068069. The next prime is 2721068081. The reversal of 2721068078 is 8708601272.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×2721068078² = 14808422970221228168, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 680267018 + ... + 680267021.

It is an arithmetic number, because the mean of its divisors is an integer number (1020400530).

Almost surely, 2^2721068078 is an apocalyptic number.

2721068078 is a deficient number, since it is larger than the sum of its proper divisors (1360534042).

2721068078 is a wasteful number, since it uses less digits than its factorization.

2721068078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1360534041.

The product of its (nonzero) digits is 75264, while the sum is 41.

The square root of 2721068078 is about 52163.8579669871. The cubic root of 2721068078 is about 1396.0890983299.

The spelling of 2721068078 in words is "two billion, seven hundred twenty-one million, sixty-eight thousand, seventy-eight".