72077027 has 4 divisors (see below), whose sum is σ = 78629496. Its totient is φ = 65524560.

The previous prime is 72077017. The next prime is 72077029.

72077027 is nontrivially palindromic in base 10.

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

It is a cyclic number.

It is not a de Polignac number, because 72077027 - 2⁴ = 72077011 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 72076984 and 72077002.

It is not an unprimeable number, because it can be changed into a prime (72077029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3276218 + ... + 3276239.

It is an arithmetic number, because the mean of its divisors is an integer number (19657374).

Almost surely, 2^72077027 is an apocalyptic number.

72077027 is a deficient number, since it is larger than the sum of its proper divisors (6552469).

72077027 is a wasteful number, since it uses less digits than its factorization.

72077027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6552468.

The product of its (nonzero) digits is 9604, while the sum is 32.

The square root of 72077027 is about 8489.8190204503. The cubic root of 72077027 is about 416.1650660124.

The spelling of 72077027 in words is "seventy-two million, seventy-seven thousand, twenty-seven".