74734807534 has 16 divisors (see below), whose sum is σ = 117869178240. Its totient is φ = 35469885880.

The previous prime is 74734807517. The next prime is 74734807549. The reversal of 74734807534 is 43570843747.

It is a happy number.

It is a super-2 number, since 2×74734807534² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6195004 + ... + 6207055.

It is an arithmetic number, because the mean of its divisors is an integer number (7366823640).

Almost surely, 2^74734807534 is an apocalyptic number.

74734807534 is a deficient number, since it is larger than the sum of its proper divisors (43134370706).

74734807534 is a wasteful number, since it uses less digits than its factorization.

74734807534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12402215.

The product of its (nonzero) digits is 7902720, while the sum is 52.

The spelling of 74734807534 in words is "seventy-four billion, seven hundred thirty-four million, eight hundred seven thousand, five hundred thirty-four".