74352545973 has 16 divisors (see below), whose sum is σ = 110157266560. Its totient is φ = 49565958048.

The previous prime is 74352545957. The next prime is 74352545983. The reversal of 74352545973 is 37954525347.

74352545973 is a `hidden beast` number, since 7 + 4 + 3 + 5 + 2 + 545 + 97 + 3 = 666.

It is not a de Polignac number, because 74352545973 - 2⁴ = 74352545957 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 (74352545903) 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, 632961 + ... + 741177.

It is an arithmetic number, because the mean of its divisors is an integer number (6884829160).

Almost surely, 2^74352545973 is an apocalyptic number.

It is an amenable number.

74352545973 is a deficient number, since it is larger than the sum of its proper divisors (35804720587).

74352545973 is a wasteful number, since it uses less digits than its factorization.

74352545973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133673 (or 133667 counting only the distinct ones).

The product of its digits is 15876000, while the sum is 54.

The spelling of 74352545973 in words is "seventy-four billion, three hundred fifty-two million, five hundred forty-five thousand, nine hundred seventy-three".