72277214 has 4 divisors (see below), whose sum is σ = 108415824. Its totient is φ = 36138606.

The previous prime is 72277189. The next prime is 72277223. The reversal of 72277214 is 41277227.

It is a happy number.

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

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, 18069302 + ... + 18069305.

It is an arithmetic number, because the mean of its divisors is an integer number (27103956).

Almost surely, 2^72277214 is an apocalyptic number.

72277214 is a deficient number, since it is larger than the sum of its proper divisors (36138610).

72277214 is a wasteful number, since it uses less digits than its factorization.

72277214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36138609.

The product of its digits is 10976, while the sum is 32.

The square root of 72277214 is about 8501.6006728145. The cubic root of 72277214 is about 416.5499959919.

It can be divided in two parts, 7227 and 7214, that added together give a palindrome (14441).

The spelling of 72277214 in words is "seventy-two million, two hundred seventy-seven thousand, two hundred fourteen".