72753790 has 8 divisors (see below), whose sum is σ = 130956840. Its totient is φ = 29101512.

The previous prime is 72753767. The next prime is 72753797. The reversal of 72753790 is 9735727.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×72753790² = 10586227918728200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72753797) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3637680 + ... + 3637699.

It is an arithmetic number, because the mean of its divisors is an integer number (16369605).

Almost surely, 2^72753790 is an apocalyptic number.

72753790 is a deficient number, since it is larger than the sum of its proper divisors (58203050).

72753790 is a wasteful number, since it uses less digits than its factorization.

72753790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7275386.

The product of its (nonzero) digits is 92610, while the sum is 40.

The square root of 72753790 is about 8529.5832254572. The cubic root of 72753790 is about 417.4635296289.

The spelling of 72753790 in words is "seventy-two million, seven hundred fifty-three thousand, seven hundred ninety".