72075452678 has 32 divisors (see below), whose sum is σ = 111940647840. Its totient is φ = 34786080000.

The previous prime is 72075452677. The next prime is 72075452689. The reversal of 72075452678 is 87625457027.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72075452671) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4317668 + ... + 4334328.

It is an arithmetic number, because the mean of its divisors is an integer number (3498145245).

Almost surely, 2^72075452678 is an apocalyptic number.

72075452678 is a deficient number, since it is larger than the sum of its proper divisors (39865195162).

72075452678 is a wasteful number, since it uses less digits than its factorization.

72075452678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17384.

The product of its (nonzero) digits is 6585600, while the sum is 53.

The spelling of 72075452678 in words is "seventy-two billion, seventy-five million, four hundred fifty-two thousand, six hundred seventy-eight".