72351346 has 16 divisors (see below), whose sum is σ = 114177600. Its totient is φ = 34334608.

The previous prime is 72351341. The next prime is 72351361. The reversal of 72351346 is 64315327.

It is not an unprimeable number, because it can be changed into a prime (72351341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7150 + ... + 13993.

It is an arithmetic number, because the mean of its divisors is an integer number (7136100).

Almost surely, 2^72351346 is an apocalyptic number.

72351346 is a deficient number, since it is larger than the sum of its proper divisors (41826254).

72351346 is a wasteful number, since it uses less digits than its factorization.

72351346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21233.

The product of its digits is 15120, while the sum is 31.

The square root of 72351346 is about 8505.9594402983. The cubic root of 72351346 is about 416.6923605133.

The spelling of 72351346 in words is "seventy-two million, three hundred fifty-one thousand, three hundred forty-six".