72443374 has 8 divisors (see below), whose sum is σ = 108705528. Its totient is φ = 36208200.

The previous prime is 72443339. The next prime is 72443377. The reversal of 72443374 is 47334427.

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 (72443377) 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, 2509 + ... + 12295.

It is an arithmetic number, because the mean of its divisors is an integer number (13588191).

Almost surely, 2^72443374 is an apocalyptic number.

72443374 is a deficient number, since it is larger than the sum of its proper divisors (36262154).

72443374 is a wasteful number, since it uses less digits than its factorization.

72443374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13490.

The product of its digits is 56448, while the sum is 34.

The square root of 72443374 is about 8511.3673402104. The cubic root of 72443374 is about 416.8689576300.

The spelling of 72443374 in words is "seventy-two million, four hundred forty-three thousand, three hundred seventy-four".