604640730 has 32 divisors (see below), whose sum is σ = 1451939904. Its totient is φ = 161148416.

The previous prime is 604640713. The next prime is 604640731. The reversal of 604640730 is 37046406.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (604640731) 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, 63757 + ... + 72623.

It is an arithmetic number, because the mean of its divisors is an integer number (45373122).

Almost surely, 2^604640730 is an apocalyptic number.

604640730 is an abundant number, since it is smaller than the sum of its proper divisors (847299174).

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

604640730 is a wasteful number, since it uses less digits than its factorization.

604640730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11150.

The product of its (nonzero) digits is 12096, while the sum is 30.

The square root of 604640730 is about 24589.4434666586. The cubic root of 604640730 is about 845.6016069873.

The spelling of 604640730 in words is "six hundred four million, six hundred forty thousand, seven hundred thirty".