72376673 has 4 divisors (see below), whose sum is σ = 72559380. Its totient is φ = 72193968.

The previous prime is 72376639. The next prime is 72376679. The reversal of 72376673 is 37667327.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 58186384 + 14190289 = 7628^2 + 3767^2 .

It is a cyclic number.

It is not a de Polignac number, because 72376673 - 2⁸ = 72376417 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 72376673.

It is not an unprimeable number, because it can be changed into a prime (72376679) 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, 90758 + ... + 91551.

It is an arithmetic number, because the mean of its divisors is an integer number (18139845).

Almost surely, 2^72376673 is an apocalyptic number.

It is an amenable number.

72376673 is a deficient number, since it is larger than the sum of its proper divisors (182707).

72376673 is a wasteful number, since it uses less digits than its factorization.

72376673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182706.

The product of its digits is 222264, while the sum is 41.

The square root of 72376673 is about 8507.4480897623. The cubic root of 72376673 is about 416.7409766842.

The spelling of 72376673 in words is "seventy-two million, three hundred seventy-six thousand, six hundred seventy-three".