65420474 has 8 divisors (see below), whose sum is σ = 112149408. Its totient is φ = 28037340.

The previous prime is 65420449. The next prime is 65420479. The reversal of 65420474 is 47402456.

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

It is a self number, because there is not a number n which added to its sum of digits gives 65420474.

It is not an unprimeable number, because it can be changed into a prime (65420479) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2336432 + ... + 2336459.

It is an arithmetic number, because the mean of its divisors is an integer number (14018676).

Almost surely, 2^65420474 is an apocalyptic number.

65420474 is a deficient number, since it is larger than the sum of its proper divisors (46728934).

65420474 is a wasteful number, since it uses less digits than its factorization.

65420474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4672900.

The product of its (nonzero) digits is 26880, while the sum is 32.

The square root of 65420474 is about 8088.2924032208. The cubic root of 65420474 is about 402.9376929166.

The spelling of 65420474 in words is "sixty-five million, four hundred twenty thousand, four hundred seventy-four".