75747434 has 16 divisors (see below), whose sum is σ = 132504000. Its totient is φ = 32462892.

The previous prime is 75747431. The next prime is 75747439. The reversal of 75747434 is 43474757.

It is a junction number, because it is equal to n+sod(n) for n = 75747391 and 75747400.

It is not an unprimeable number, because it can be changed into a prime (75747431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54524 + ... + 55895.

It is an arithmetic number, because the mean of its divisors is an integer number (8281500).

Almost surely, 2^75747434 is an apocalyptic number.

75747434 is a deficient number, since it is larger than the sum of its proper divisors (56756566).

75747434 is a wasteful number, since it uses less digits than its factorization.

75747434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110442 (or 110428 counting only the distinct ones).

The product of its digits is 329280, while the sum is 41.

The square root of 75747434 is about 8703.3001786679. The cubic root of 75747434 is about 423.1126161859.

The spelling of 75747434 in words is "seventy-five million, seven hundred forty-seven thousand, four hundred thirty-four".