72343941 has 8 divisors (see below), whose sum is σ = 96524064. Its totient is φ = 48196560.

The previous prime is 72343939. The next prime is 72343961. The reversal of 72343941 is 14934327.

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

It is not a de Polignac number, because 72343941 - 2¹ = 72343939 is a prime.

It is a super-2 number, since 2×72343941² = 10467291598822962, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72343961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2455 + ... + 12276.

It is an arithmetic number, because the mean of its divisors is an integer number (12065508).

Almost surely, 2^72343941 is an apocalyptic number.

72343941 is the 4911-st octagonal number.

It is an amenable number.

72343941 is a deficient number, since it is larger than the sum of its proper divisors (24180123).

72343941 is a wasteful number, since it uses less digits than its factorization.

72343941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16371.

The product of its digits is 18144, while the sum is 33.

The square root of 72343941 is about 8505.5241461065. The cubic root of 72343941 is about 416.6781441816.

It can be divided in two parts, 7234 and 3941, that added together give a triangular number (11175 = T₁₄₉).

The spelling of 72343941 in words is "seventy-two million, three hundred forty-three thousand, nine hundred forty-one".