72073851 has 8 divisors (see below), whose sum is σ = 96473424. Its totient is φ = 47861760.

The previous prime is 72073831. The next prime is 72073861. The reversal of 72073851 is 15837027.

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

It is not a de Polignac number, because 72073851 - 2¹⁷ = 71942779 is a prime.

It is not an unprimeable number, because it can be changed into a prime (72073801) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45970 + ... + 47511.

It is an arithmetic number, because the mean of its divisors is an integer number (12059178).

Almost surely, 2^72073851 is an apocalyptic number.

72073851 is a deficient number, since it is larger than the sum of its proper divisors (24399573).

72073851 is a wasteful number, since it uses less digits than its factorization.

72073851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93741.

The product of its (nonzero) digits is 11760, while the sum is 33.

The square root of 72073851 is about 8489.6319708218. The cubic root of 72073851 is about 416.1589532942.

The spelling of 72073851 in words is "seventy-two million, seventy-three thousand, eight hundred fifty-one".