64741830 has 16 divisors (see below), whose sum is σ = 155380464. Its totient is φ = 17264480.

The previous prime is 64741811. The next prime is 64741867. The reversal of 64741830 is 3814746.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 64741791 and 64741800.

It is a congruent number.

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, 1079001 + ... + 1079060.

It is an arithmetic number, because the mean of its divisors is an integer number (9711279).

Almost surely, 2^64741830 is an apocalyptic number.

64741830 is an abundant number, since it is smaller than the sum of its proper divisors (90638634).

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

64741830 is a wasteful number, since it uses less digits than its factorization.

64741830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2158071.

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 64741830 is about 8046.2307946019. The cubic root of 64741830 is about 401.5395460593.

The spelling of 64741830 in words is "sixty-four million, seven hundred forty-one thousand, eight hundred thirty".