72277113 has 8 divisors (see below), whose sum is σ = 96484608. Its totient is φ = 48127184.

The previous prime is 72277087. The next prime is 72277141. The reversal of 72277113 is 31177227.

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

It is a cyclic number.

It is not a de Polignac number, because 72277113 - 2²⁰ = 71228537 is a prime.

It is a super-2 number, since 2×72277113² = 10447962127229538, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (72277813) 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, 11370 + ... + 16547.

It is an arithmetic number, because the mean of its divisors is an integer number (12060576).

Almost surely, 2^72277113 is an apocalyptic number.

It is an amenable number.

72277113 is a deficient number, since it is larger than the sum of its proper divisors (24207495).

72277113 is a wasteful number, since it uses less digits than its factorization.

72277113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28783.

The product of its digits is 4116, while the sum is 30.

The square root of 72277113 is about 8501.5947327546. The cubic root of 72277113 is about 416.5498019632.

It can be divided in two parts, 72277 and 113, that added together give a triangular number (72390 = T₃₈₀).

The spelling of 72277113 in words is "seventy-two million, two hundred seventy-seven thousand, one hundred thirteen".