72277801724 has 12 divisors (see below), whose sum is σ = 128872684584. Its totient is φ = 35457034704.

The previous prime is 72277801709. The next prime is 72277801727. The reversal of 72277801724 is 42710877227.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72277801727) 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, 170466302 + ... + 170466725.

It is an arithmetic number, because the mean of its divisors is an integer number (10739390382).

Almost surely, 2^72277801724 is an apocalyptic number.

It is an amenable number.

72277801724 is a deficient number, since it is larger than the sum of its proper divisors (56594882860).

72277801724 is a wasteful number, since it uses less digits than its factorization.

72277801724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340933084 (or 340933082 counting only the distinct ones).

The product of its (nonzero) digits is 614656, while the sum is 47.

The spelling of 72277801724 in words is "seventy-two billion, two hundred seventy-seven million, eight hundred one thousand, seven hundred twenty-four".