73742452450 has 24 divisors (see below), whose sum is σ = 140079284352. Its totient is φ = 28869384720.

The previous prime is 73742452417. The next prime is 73742452451. The reversal of 73742452450 is 5425424737.

It is a super-2 number, since 2×73742452450² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 73742452397 and 73742452406.

It is not an unprimeable number, because it can be changed into a prime (73742452451) 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, 15687534 + ... + 15692233.

It is an arithmetic number, because the mean of its divisors is an integer number (5836636848).

Almost surely, 2^73742452450 is an apocalyptic number.

73742452450 is a deficient number, since it is larger than the sum of its proper divisors (66336831902).

73742452450 is a wasteful number, since it uses less digits than its factorization.

73742452450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31379826 (or 31379821 counting only the distinct ones).

The product of its (nonzero) digits is 940800, while the sum is 43.

The spelling of 73742452450 in words is "seventy-three billion, seven hundred forty-two million, four hundred fifty-two thousand, four hundred fifty".