61935740 has 24 divisors (see below), whose sum is σ = 132199872. Its totient is φ = 24367680.

The previous prime is 61935733. The next prime is 61935749. The reversal of 61935740 is 4753916.

It is a self number, because there is not a number n which added to its sum of digits gives 61935740.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61935749) 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, 24164 + ... + 26603.

It is an arithmetic number, because the mean of its divisors is an integer number (5508328).

Almost surely, 2^61935740 is an apocalyptic number.

It is an amenable number.

61935740 is an abundant number, since it is smaller than the sum of its proper divisors (70264132).

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

61935740 is a wasteful number, since it uses less digits than its factorization.

61935740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50837 (or 50835 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 35.

The square root of 61935740 is about 7869.9263020692. The cubic root of 61935740 is about 395.6523749284.

The spelling of 61935740 in words is "sixty-one million, nine hundred thirty-five thousand, seven hundred forty".