72077162372 has 6 divisors (see below), whose sum is σ = 126135034158. Its totient is φ = 36038581184.

The previous prime is 72077162363. The next prime is 72077162449. The reversal of 72077162372 is 27326177027.

It can be written as a sum of positive squares in only one way, i.e., 45031386436 + 27045775936 = 212206^2 + 164456^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9009645293 + ... + 9009645300.

It is an arithmetic number, because the mean of its divisors is an integer number (21022505693).

Almost surely, 2^72077162372 is an apocalyptic number.

It is an amenable number.

72077162372 is a deficient number, since it is larger than the sum of its proper divisors (54057871786).

72077162372 is a wasteful number, since it uses less digits than its factorization.

72077162372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18019290597 (or 18019290595 counting only the distinct ones).

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

The spelling of 72077162372 in words is "seventy-two billion, seventy-seven million, one hundred sixty-two thousand, three hundred seventy-two".