64265730 has 32 divisors (see below), whose sum is σ = 156544704. Its totient is φ = 16881216.

The previous prime is 64265713. The next prime is 64265731. The reversal of 64265730 is 3756246.

It is a junction number, because it is equal to n+sod(n) for n = 64265691 and 64265700.

It is not an unprimeable number, because it can be changed into a prime (64265731) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13977 + ... + 17996.

It is an arithmetic number, because the mean of its divisors is an integer number (4892022).

Almost surely, 2^64265730 is an apocalyptic number.

64265730 is an abundant number, since it is smaller than the sum of its proper divisors (92278974).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64265730 is a wasteful number, since it uses less digits than its factorization.

64265730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32050.

The product of its (nonzero) digits is 30240, while the sum is 33.

The square root of 64265730 is about 8016.5909213331. The cubic root of 64265730 is about 400.5528397352.

The spelling of 64265730 in words is "sixty-four million, two hundred sixty-five thousand, seven hundred thirty".