72190741 has 8 divisors (see below), whose sum is σ = 83666304. Its totient is φ = 61005840.

The previous prime is 72190739. The next prime is 72190751. The reversal of 72190741 is 14709127.

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

It is not a de Polignac number, because 72190741 - 2¹ = 72190739 is a prime.

It is a super-2 number, since 2×72190741² = 10423006172258162, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72190751) 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, 72130 + ... + 73123.

It is an arithmetic number, because the mean of its divisors is an integer number (10458288).

Almost surely, 2^72190741 is an apocalyptic number.

72190741 is a gapful number since it is divisible by the number (71) formed by its first and last digit.

It is an amenable number.

72190741 is a deficient number, since it is larger than the sum of its proper divisors (11475563).

72190741 is a wasteful number, since it uses less digits than its factorization.

72190741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145331.

The product of its (nonzero) digits is 3528, while the sum is 31.

The square root of 72190741 is about 8496.5134614146. The cubic root of 72190741 is about 416.3838085203.

Adding to 72190741 its reverse (14709127), we get a palindrome (86899868).

The spelling of 72190741 in words is "seventy-two million, one hundred ninety thousand, seven hundred forty-one".