73451106738 has 24 divisors (see below), whose sum is σ = 159165347328. Its totient is φ = 24480427992.

The previous prime is 73451106679. The next prime is 73451106749. The reversal of 73451106738 is 83760115437.

73451106738 is a `hidden beast` number, since 73 + 4 + 511 + 0 + 67 + 3 + 8 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 73451106693 and 73451106702.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 132570 + ... + 405557.

It is an arithmetic number, because the mean of its divisors is an integer number (6631889472).

Almost surely, 2^73451106738 is an apocalyptic number.

73451106738 is an abundant number, since it is smaller than the sum of its proper divisors (85714240590).

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

73451106738 is a wasteful number, since it uses less digits than its factorization.

73451106738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 545718 (or 545715 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 45.

The spelling of 73451106738 in words is "seventy-three billion, four hundred fifty-one million, one hundred six thousand, seven hundred thirty-eight".