65613494 has 8 divisors (see below), whose sum is σ = 98514048. Its totient is φ = 32775480.

The previous prime is 65613467. The next prime is 65613511. The reversal of 65613494 is 49431656.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12917 + ... + 17264.

It is an arithmetic number, because the mean of its divisors is an integer number (12314256).

Almost surely, 2^65613494 is an apocalyptic number.

65613494 is a deficient number, since it is larger than the sum of its proper divisors (32900554).

65613494 is a wasteful number, since it uses less digits than its factorization.

65613494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31270.

The product of its digits is 77760, while the sum is 38.

The square root of 65613494 is about 8100.2156761410. The cubic root of 65613494 is about 403.3335866553. Note that the first 3 decimals are identical.

The spelling of 65613494 in words is "sixty-five million, six hundred thirteen thousand, four hundred ninety-four".