72356743 has 8 divisors (see below), whose sum is σ = 76819968. Its totient is φ = 67916544.

The previous prime is 72356701. The next prime is 72356749. The reversal of 72356743 is 34765327.

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

It is a cyclic number.

It is not a de Polignac number, because 72356743 - 2⁹ = 72356231 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72356749) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 955 + ... + 12067.

It is an arithmetic number, because the mean of its divisors is an integer number (9602496).

Almost surely, 2^72356743 is an apocalyptic number.

72356743 is a deficient number, since it is larger than the sum of its proper divisors (4463225).

72356743 is a wasteful number, since it uses less digits than its factorization.

72356743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11513.

The product of its digits is 105840, while the sum is 37.

The square root of 72356743 is about 8506.2766825445. The cubic root of 72356743 is about 416.7027212179.

The spelling of 72356743 in words is "seventy-two million, three hundred fifty-six thousand, seven hundred forty-three".