72101774 has 8 divisors (see below), whose sum is σ = 108220008. Its totient is φ = 36028440.

The previous prime is 72101773. The next prime is 72101819. The reversal of 72101774 is 47710127.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72101773) 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, 6872 + ... + 13835.

It is an arithmetic number, because the mean of its divisors is an integer number (13527501).

Almost surely, 2^72101774 is an apocalyptic number.

72101774 is a deficient number, since it is larger than the sum of its proper divisors (36118234).

72101774 is a wasteful number, since it uses less digits than its factorization.

72101774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22450.

The product of its (nonzero) digits is 2744, while the sum is 29.

The square root of 72101774 is about 8491.2763469340. The cubic root of 72101774 is about 416.2126894086.

The spelling of 72101774 in words is "seventy-two million, one hundred one thousand, seven hundred seventy-four".