74257455101680 has 40 divisors (see below), whose sum is σ = 172651650480000. Its totient is φ = 29702454321408.

The previous prime is 74257455101671. The next prime is 74257455101737. The reversal of 74257455101680 is 8610155475247.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3699055 + ... + 12735694.

It is an arithmetic number, because the mean of its divisors is an integer number (4316291262000).

Almost surely, 2^{74257455101680} is an apocalyptic number.

It is an amenable number.

74257455101680 is an abundant number, since it is smaller than the sum of its proper divisors (98394195378320).

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

74257455101680 is a wasteful number, since it uses less digits than its factorization.

74257455101680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16491241 (or 16491235 counting only the distinct ones).

The product of its (nonzero) digits is 9408000, while the sum is 55.

The spelling of 74257455101680 in words is "seventy-four trillion, two hundred fifty-seven billion, four hundred fifty-five million, one hundred one thousand, six hundred eighty".