64825762 has 4 divisors (see below), whose sum is σ = 97238646. Its totient is φ = 32412880.

The previous prime is 64825757. The next prime is 64825763. The reversal of 64825762 is 26752846.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 26752846 = 2 ⋅13376423.

It can be written as a sum of positive squares in only one way, i.e., 56235001 + 8590761 = 7499^2 + 2931^2 .

It is not an unprimeable number, because it can be changed into a prime (64825763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16206439 + ... + 16206442.

Almost surely, 2^64825762 is an apocalyptic number.

64825762 is a deficient number, since it is larger than the sum of its proper divisors (32412884).

64825762 is a wasteful number, since it uses less digits than its factorization.

64825762 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32412883.

The product of its digits is 161280, while the sum is 40.

The square root of 64825762 is about 8051.4447150806. Note that the first 3 decimals coincide. The cubic root of 64825762 is about 401.7129911812.

The spelling of 64825762 in words is "sixty-four million, eight hundred twenty-five thousand, seven hundred sixty-two".