61748613 has 24 divisors (see below), whose sum is σ = 94423680. Its totient is φ = 38776320.

The previous prime is 61748611. The next prime is 61748639. The reversal of 61748613 is 31684716.

It is not a de Polignac number, because 61748613 - 2¹ = 61748611 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61748611) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32068 + ... + 33938.

It is an arithmetic number, because the mean of its divisors is an integer number (3934320).

Almost surely, 2^61748613 is an apocalyptic number.

It is an amenable number.

61748613 is a deficient number, since it is larger than the sum of its proper divisors (32675067).

61748613 is a wasteful number, since it uses less digits than its factorization.

61748613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2089 (or 2086 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 61748613 is about 7858.0285695587. The cubic root of 61748613 is about 395.2535102852.

The spelling of 61748613 in words is "sixty-one million, seven hundred forty-eight thousand, six hundred thirteen".