61725741 has 48 divisors (see below), whose sum is σ = 106375680. Its totient is φ = 31473120.

The previous prime is 61725733. The next prime is 61725749. The reversal of 61725741 is 14752716.

It is an interprime number because it is at equal distance from previous prime (61725733) and next prime (61725749).

It is not a de Polignac number, because 61725741 - 2³ = 61725733 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61725749) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 95080 + ... + 95726.

It is an arithmetic number, because the mean of its divisors is an integer number (2216160).

Almost surely, 2^61725741 is an apocalyptic number.

It is an amenable number.

61725741 is a deficient number, since it is larger than the sum of its proper divisors (44649939).

61725741 is a wasteful number, since it uses less digits than its factorization.

61725741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 734 (or 727 counting only the distinct ones).

The product of its digits is 11760, while the sum is 33.

The square root of 61725741 is about 7856.5731079142. The cubic root of 61725741 is about 395.2047029557.

The spelling of 61725741 in words is "sixty-one million, seven hundred twenty-five thousand, seven hundred forty-one".