72101150 has 48 divisors (see below), whose sum is σ = 147111120. Its totient is φ = 26073600.

The previous prime is 72101129. The next prime is 72101171. The reversal of 72101150 is 5110127.

It is an interprime number because it is at equal distance from previous prime (72101129) and next prime (72101171).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 185156 + ... + 185544.

It is an arithmetic number, because the mean of its divisors is an integer number (3064815).

Almost surely, 2^72101150 is an apocalyptic number.

72101150 is an abundant number, since it is smaller than the sum of its proper divisors (75009970).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72101150 is a wasteful number, since it uses less digits than its factorization.

72101150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 749 (or 744 counting only the distinct ones).

The product of its (nonzero) digits is 70, while the sum is 17.

The square root of 72101150 is about 8491.2396032617. The cubic root of 72101150 is about 416.2114887101.

Adding to 72101150 its reverse (5110127), we get a palindrome (77211277).

The spelling of 72101150 in words is "seventy-two million, one hundred one thousand, one hundred fifty".