72277676 has 12 divisors (see below), whose sum is σ = 133926408. Its totient is φ = 34012992.

The previous prime is 72277669. The next prime is 72277679. The reversal of 72277676 is 67677227.

It is not an unprimeable number, because it can be changed into a prime (72277679) 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, 531386 + ... + 531521.

It is an arithmetic number, because the mean of its divisors is an integer number (11160534).

Almost surely, 2^72277676 is an apocalyptic number.

It is an amenable number.

72277676 is a deficient number, since it is larger than the sum of its proper divisors (61648732).

72277676 is a wasteful number, since it uses less digits than its factorization.

72277676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1062928 (or 1062926 counting only the distinct ones).

The product of its digits is 345744, while the sum is 44.

The square root of 72277676 is about 8501.6278441249. The cubic root of 72277676 is about 416.5508835270.

The spelling of 72277676 in words is "seventy-two million, two hundred seventy-seven thousand, six hundred seventy-six".