72349575 has 12 divisors (see below), whose sum is σ = 119618088. Its totient is φ = 38586400.

The previous prime is 72349561. The next prime is 72349601. The reversal of 72349575 is 57594327.

It is not a de Polignac number, because 72349575 - 2⁷ = 72349447 is a prime.

It is a super-2 number, since 2×72349575² = 10468922005361250, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 482256 + ... + 482405.

It is an arithmetic number, because the mean of its divisors is an integer number (9968174).

Almost surely, 2^72349575 is an apocalyptic number.

72349575 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

72349575 is a deficient number, since it is larger than the sum of its proper divisors (47268513).

72349575 is a wasteful number, since it uses less digits than its factorization.

72349575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 964674 (or 964669 counting only the distinct ones).

The product of its digits is 264600, while the sum is 42.

The square root of 72349575 is about 8505.8553361787. The cubic root of 72349575 is about 416.6889605849.

The spelling of 72349575 in words is "seventy-two million, three hundred forty-nine thousand, five hundred seventy-five".