61725750 has 32 divisors (see below), whose sum is σ = 154069344. Its totient is φ = 16460000.

The previous prime is 61725749. The next prime is 61725751. The reversal of 61725750 is 5752716.

It is an interprime number because it is at equal distance from previous prime (61725749) and next prime (61725751).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61725751) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40401 + ... + 41900.

It is an arithmetic number, because the mean of its divisors is an integer number (4814667).

Almost surely, 2^61725750 is an apocalyptic number.

61725750 is an abundant number, since it is smaller than the sum of its proper divisors (92343594).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61725750 is a wasteful number, since it uses less digits than its factorization.

61725750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82321 (or 82311 counting only the distinct ones).

The product of its (nonzero) digits is 14700, while the sum is 33.

The square root of 61725750 is about 7856.5736806829. The cubic root of 61725750 is about 395.2047221635.

The spelling of 61725750 in words is "sixty-one million, seven hundred twenty-five thousand, seven hundred fifty".