9945734 has 4 divisors (see below), whose sum is σ = 14918604. Its totient is φ = 4972866.

The previous prime is 9945709. The next prime is 9945743. The reversal of 9945734 is 4375499.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4375499 = 59 ⋅74161.

It is a junction number, because it is equal to n+sod(n) for n = 9945691 and 9945700.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 2486432 + ... + 2486435.

It is an arithmetic number, because the mean of its divisors is an integer number (3729651).

Almost surely, 2^9945734 is an apocalyptic number.

9945734 is a deficient number, since it is larger than the sum of its proper divisors (4972870).

9945734 is a wasteful number, since it uses less digits than its factorization.

9945734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4972869.

The product of its digits is 136080, while the sum is 41.

The square root of 9945734 is about 3153.6857801626. The cubic root of 9945734 is about 215.0530534299.

The spelling of 9945734 in words is "nine million, nine hundred forty-five thousand, seven hundred thirty-four".