64425734 has 4 divisors (see below), whose sum is σ = 96638604. Its totient is φ = 32212866.

The previous prime is 64425727. The next prime is 64425743. The reversal of 64425734 is 43752446.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 64425694 and 64425703.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16106432 + ... + 16106435.

It is an arithmetic number, because the mean of its divisors is an integer number (24159651).

Almost surely, 2^64425734 is an apocalyptic number.

64425734 is a deficient number, since it is larger than the sum of its proper divisors (32212870).

64425734 is a wasteful number, since it uses less digits than its factorization.

64425734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32212869.

The product of its digits is 80640, while the sum is 35.

The square root of 64425734 is about 8026.5642712184. The cubic root of 64425734 is about 400.8849863871.

The spelling of 64425734 in words is "sixty-four million, four hundred twenty-five thousand, seven hundred thirty-four".