64574345 has 8 divisors (see below), whose sum is σ = 84533760. Its totient is φ = 46963120.

The previous prime is 64574309. The next prime is 64574353. The reversal of 64574345 is 54347546.

It is a happy number.

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

It is not a de Polignac number, because 64574345 - 2⁶ = 64574281 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 64574299 and 64574308.

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, 586985 + ... + 587094.

It is an arithmetic number, because the mean of its divisors is an integer number (10566720).

Almost surely, 2^64574345 is an apocalyptic number.

It is an amenable number.

64574345 is a deficient number, since it is larger than the sum of its proper divisors (19959415).

64574345 is a wasteful number, since it uses less digits than its factorization.

64574345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1174095.

The product of its digits is 201600, while the sum is 38.

The square root of 64574345 is about 8035.8163866529. The cubic root of 64574345 is about 401.1929904803.

The spelling of 64574345 in words is "sixty-four million, five hundred seventy-four thousand, three hundred forty-five".