72953283 has 8 divisors (see below), whose sum is σ = 104753488. Its totient is φ = 44894304.

The previous prime is 72953269. The next prime is 72953297. The reversal of 72953283 is 38235927.

It is an interprime number because it is at equal distance from previous prime (72953269) and next prime (72953297).

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

It is not a de Polignac number, because 72953283 - 2⁹ = 72952771 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39), and also a Moran number because the ratio is a prime number: 1870597 = 72953283 / (7 + 2 + 9 + 5 + 3 + 2 + 8 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72953983) 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 7 ways as a sum of consecutive naturals, for example, 935260 + ... + 935337.

It is an arithmetic number, because the mean of its divisors is an integer number (13094186).

Almost surely, 2^72953283 is an apocalyptic number.

72953283 is a deficient number, since it is larger than the sum of its proper divisors (31800205).

72953283 is a wasteful number, since it uses less digits than its factorization.

72953283 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1870613.

The product of its digits is 90720, while the sum is 39.

The square root of 72953283 is about 8541.2694021439. The cubic root of 72953283 is about 417.8447471021.

The spelling of 72953283 in words is "seventy-two million, nine hundred fifty-three thousand, two hundred eighty-three".