72342343 has 8 divisors (see below), whose sum is σ = 73531728. Its totient is φ = 71158464.

The previous prime is 72342317. The next prime is 72342373. The reversal of 72342343 is 34324327.

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 72342343 - 2⁵ = 72342311 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 (72342373) 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, 31221 + ... + 33457.

It is an arithmetic number, because the mean of its divisors is an integer number (9191466).

Almost surely, 2^72342343 is an apocalyptic number.

72342343 is a gapful number since it is divisible by the number (73) formed by its first and last digit.

72342343 is a deficient number, since it is larger than the sum of its proper divisors (1189385).

72342343 is a wasteful number, since it uses less digits than its factorization.

72342343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2753.

The product of its digits is 12096, while the sum is 28.

The square root of 72342343 is about 8505.4302066386. The cubic root of 72342343 is about 416.6750761680.

It can be divided in two parts, 7 and 2342343, that multiplied together give a triangular number (16396401 = T₅₇₂₆).

The spelling of 72342343 in words is "seventy-two million, three hundred forty-two thousand, three hundred forty-three".