72974377742 has 8 divisors (see below), whose sum is σ = 125098933296. Its totient is φ = 31274733312.

The previous prime is 72974377741. The next prime is 72974377807. The reversal of 72974377742 is 24777347927.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72974377741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2606227763 + ... + 2606227790.

It is an arithmetic number, because the mean of its divisors is an integer number (15637366662).

Almost surely, 2^72974377742 is an apocalyptic number.

72974377742 is a deficient number, since it is larger than the sum of its proper divisors (52124555554).

72974377742 is a wasteful number, since it uses less digits than its factorization.

72974377742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5212455562.

The product of its digits is 29042496, while the sum is 59.

The spelling of 72974377742 in words is "seventy-two billion, nine hundred seventy-four million, three hundred seventy-seven thousand, seven hundred forty-two".