72649141 has 8 divisors (see below), whose sum is σ = 76557600. Its totient is φ = 68749200.

The previous prime is 72649139. The next prime is 72649183. The reversal of 72649141 is 14194627.

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

It is a cyclic number.

It is not a de Polignac number, because 72649141 - 2¹ = 72649139 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 72649097 and 72649106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72649441) 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, 23250 + ... + 26188.

It is an arithmetic number, because the mean of its divisors is an integer number (9569700).

Almost surely, 2^72649141 is an apocalyptic number.

It is an amenable number.

72649141 is a deficient number, since it is larger than the sum of its proper divisors (3908459).

72649141 is a wasteful number, since it uses less digits than its factorization.

72649141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4259.

The product of its digits is 12096, while the sum is 34.

The square root of 72649141 is about 8523.4465446790. The cubic root of 72649141 is about 417.2632738338.

The spelling of 72649141 in words is "seventy-two million, six hundred forty-nine thousand, one hundred forty-one".