73740400434 has 48 divisors (see below), whose sum is σ = 165715254432. Its totient is φ = 24576136128.

The previous prime is 73740400417. The next prime is 73740400451. The reversal of 73740400434 is 43400404737.

It is an interprime number because it is at equal distance from previous prime (73740400417) and next prime (73740400451).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5647117 + ... + 5660159.

It is an arithmetic number, because the mean of its divisors is an integer number (3452401134).

Almost surely, 2^73740400434 is an apocalyptic number.

73740400434 is an abundant number, since it is smaller than the sum of its proper divisors (91974853998).

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

73740400434 is a wasteful number, since it uses less digits than its factorization.

73740400434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24693 (or 24681 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 36.

The spelling of 73740400434 in words is "seventy-three billion, seven hundred forty million, four hundred thousand, four hundred thirty-four".