61709338 has 16 divisors (see below), whose sum is σ = 94008096. Its totient is φ = 30376080.

The previous prime is 61709311. The next prime is 61709341. The reversal of 61709338 is 83390716.

It is a junction number, because it is equal to n+sod(n) for n = 61709297 and 61709306.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69445 + ... + 70327.

It is an arithmetic number, because the mean of its divisors is an integer number (5875506).

Almost surely, 2^61709338 is an apocalyptic number.

61709338 is a deficient number, since it is larger than the sum of its proper divisors (32298758).

61709338 is a wasteful number, since it uses less digits than its factorization.

61709338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1389.

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 61709338 is about 7855.5291355834. The cubic root of 61709338 is about 395.1696926184.

The spelling of 61709338 in words is "sixty-one million, seven hundred nine thousand, three hundred thirty-eight".