73749043550672 has 40 divisors (see below), whose sum is σ = 164341590262656. Its totient is φ = 31405416172416.

The previous prime is 73749043550621. The next prime is 73749043550687. The reversal of 73749043550672 is 27605534094737.

It is a happy number.

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, 2097032108 + ... + 2097067275.

Almost surely, 2^{73749043550672} is an apocalyptic number.

It is an amenable number.

73749043550672 is an abundant number, since it is smaller than the sum of its proper divisors (90592546711984).

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

73749043550672 is a wasteful number, since it uses less digits than its factorization.

73749043550672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4194099555 (or 4194099549 counting only the distinct ones).

The product of its (nonzero) digits is 133358400, while the sum is 62.

The spelling of 73749043550672 in words is "seventy-three trillion, seven hundred forty-nine billion, forty-three million, five hundred fifty thousand, six hundred seventy-two".