607745640 has 64 divisors (see below), whose sum is σ = 1839412800. Its totient is φ = 160627712.

The previous prime is 607745603. The next prime is 607745641. The reversal of 607745640 is 46547706.

It is not an unprimeable number, because it can be changed into a prime (607745641) 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, 8850 + ... + 35969.

It is an arithmetic number, because the mean of its divisors is an integer number (28740825).

Almost surely, 2^607745640 is an apocalyptic number.

607745640 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

607745640 is an abundant number, since it is smaller than the sum of its proper divisors (1231667160).

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

607745640 is a wasteful number, since it uses less digits than its factorization.

607745640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44946 (or 44942 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 39.

The square root of 607745640 is about 24652.4976422268. The cubic root of 607745640 is about 847.0465617665.

The spelling of 607745640 in words is "six hundred seven million, seven hundred forty-five thousand, six hundred forty".