72753830 has 16 divisors (see below), whose sum is σ = 136651104. Its totient is φ = 27836160.

The previous prime is 72753827. The next prime is 72753847. The reversal of 72753830 is 3835727.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 157931 + ... + 158390.

It is an arithmetic number, because the mean of its divisors is an integer number (8540694).

Almost surely, 2^72753830 is an apocalyptic number.

72753830 is a deficient number, since it is larger than the sum of its proper divisors (63897274).

72753830 is a wasteful number, since it uses less digits than its factorization.

72753830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316351.

The product of its (nonzero) digits is 35280, while the sum is 35.

The square root of 72753830 is about 8529.5855702373. The cubic root of 72753830 is about 417.4636061359.

The spelling of 72753830 in words is "seventy-two million, seven hundred fifty-three thousand, eight hundred thirty".