72461053 has 12 divisors (see below), whose sum is σ = 87199740. Its totient is φ = 59966592.

The previous prime is 72461047. The next prime is 72461057. The reversal of 72461053 is 35016427.

It can be written as a sum of positive squares in 2 ways, for example, as 13816089 + 58644964 = 3717^2 + 7658^2 .

It is a de Polignac number, because none of the positive numbers 2^k-72461053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72461057) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24076 + ... + 26917.

It is an arithmetic number, because the mean of its divisors is an integer number (7266645).

Almost surely, 2^72461053 is an apocalyptic number.

It is an amenable number.

72461053 is a deficient number, since it is larger than the sum of its proper divisors (14738687).

72461053 is a wasteful number, since it uses less digits than its factorization.

72461053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51036 (or 51029 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 72461053 is about 8512.4058291414. The cubic root of 72461053 is about 416.9028656166.

The spelling of 72461053 in words is "seventy-two million, four hundred sixty-one thousand, fifty-three".