61473613 has 8 divisors (see below), whose sum is σ = 63937280. Its totient is φ = 59052240.

The previous prime is 61473611. The next prime is 61473619. The reversal of 61473613 is 31637416.

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 61473613 - 2¹ = 61473611 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 (61473611) 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, 7593 + ... + 13438.

It is an arithmetic number, because the mean of its divisors is an integer number (7992160).

Almost surely, 2^61473613 is an apocalyptic number.

It is an amenable number.

61473613 is a deficient number, since it is larger than the sum of its proper divisors (2463667).

61473613 is a wasteful number, since it uses less digits than its factorization.

61473613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21147.

The product of its digits is 9072, while the sum is 31.

The square root of 61473613 is about 7840.5110165091. The cubic root of 61473613 is about 394.6658777903.

The spelling of 61473613 in words is "sixty-one million, four hundred seventy-three thousand, six hundred thirteen".