64741700 has 18 divisors (see below), whose sum is σ = 140489706. Its totient is φ = 25896640.

The previous prime is 64741687. The next prime is 64741751. The reversal of 64741700 is 714746.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 10601536 + 54140164 = 3256^2 + 7358^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 323609 + ... + 323808.

Almost surely, 2^64741700 is an apocalyptic number.

It is an amenable number.

64741700 is an abundant number, since it is smaller than the sum of its proper divisors (75748006).

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

64741700 is a wasteful number, since it uses less digits than its factorization.

64741700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 647431 (or 647424 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 29.

The square root of 64741700 is about 8046.2227162812. Note that the first 3 decimals coincide. The cubic root of 64741700 is about 401.5392772987.

The spelling of 64741700 in words is "sixty-four million, seven hundred forty-one thousand, seven hundred".