61725223400447 has 8 divisors (see below), whose sum is σ = 62510003160480. Its totient is φ = 60943848325600.

The previous prime is 61725223400419. The next prime is 61725223400513. The reversal of 61725223400447 is 74400432252716.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 61725223400447 - 2¹⁴ = 61725223384063 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61725223403447) 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, 851134808 + ... + 851207325.

It is an arithmetic number, because the mean of its divisors is an integer number (7813750395060).

Almost surely, 2^{61725223400447} is an apocalyptic number.

61725223400447 is a deficient number, since it is larger than the sum of its proper divisors (784779760033).

61725223400447 is a wasteful number, since it uses less digits than its factorization.

61725223400447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1702342593.

The product of its (nonzero) digits is 2257920, while the sum is 47.

The spelling of 61725223400447 in words is "sixty-one trillion, seven hundred twenty-five billion, two hundred twenty-three million, four hundred thousand, four hundred forty-seven".