72342361 has 32 divisors (see below), whose sum is σ = 95413248. Its totient is φ = 53222400.

The previous prime is 72342317. The next prime is 72342373. The reversal of 72342361 is 16324327.

It is not a de Polignac number, because 72342361 - 2⁷ = 72342233 is a prime.

It is not an unprimeable number, because it can be changed into a prime (72342311) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 156016 + ... + 156478.

It is an arithmetic number, because the mean of its divisors is an integer number (2981664).

Almost surely, 2^72342361 is an apocalyptic number.

It is an amenable number.

72342361 is a deficient number, since it is larger than the sum of its proper divisors (23070887).

72342361 is a wasteful number, since it uses less digits than its factorization.

72342361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 601.

The product of its digits is 6048, while the sum is 28.

The square root of 72342361 is about 8505.4312647860. The cubic root of 72342361 is about 416.6751107267.

Adding to 72342361 its reverse (16324327), we get a palindrome (88666688).

The spelling of 72342361 in words is "seventy-two million, three hundred forty-two thousand, three hundred sixty-one".