72824270 has 16 divisors (see below), whose sum is σ = 135312768. Its totient is φ = 28189920.

The previous prime is 72824267. The next prime is 72824287. The reversal of 72824270 is 7242827.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117149 + ... + 117768.

It is an arithmetic number, because the mean of its divisors is an integer number (8457048).

Almost surely, 2^72824270 is an apocalyptic number.

72824270 is a deficient number, since it is larger than the sum of its proper divisors (62488498).

72824270 is a wasteful number, since it uses less digits than its factorization.

72824270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234955.

The product of its (nonzero) digits is 12544, while the sum is 32.

The square root of 72824270 is about 8533.7137285006. The cubic root of 72824270 is about 417.5982916052.

The spelling of 72824270 in words is "seventy-two million, eight hundred twenty-four thousand, two hundred seventy".