61704425 has 12 divisors (see below), whose sum is σ = 76632000. Its totient is φ = 49287120.

The previous prime is 61704397. The next prime is 61704427. The reversal of 61704425 is 52440716.

It is not a de Polignac number, because 61704425 - 2²² = 57510121 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (61704427) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19076 + ... + 22074.

It is an arithmetic number, because the mean of its divisors is an integer number (6386000).

Almost surely, 2^61704425 is an apocalyptic number.

It is an amenable number.

61704425 is a deficient number, since it is larger than the sum of its proper divisors (14927575).

61704425 is a wasteful number, since it uses less digits than its factorization.

61704425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3832 (or 3827 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 61704425 is about 7855.2164196793. The cubic root of 61704425 is about 395.1592051714.

The spelling of 61704425 in words is "sixty-one million, seven hundred four thousand, four hundred twenty-five".