3643294740 has 24 divisors (see below), whose sum is σ = 10201225440. Its totient is φ = 971545248.

The previous prime is 3643294717. The next prime is 3643294771. The reversal of 3643294740 is 474923463.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 3643294692 and 3643294701.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30360730 + ... + 30360849.

It is an arithmetic number, because the mean of its divisors is an integer number (425051060).

Almost surely, 2^3643294740 is an apocalyptic number.

3643294740 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3643294740 is an abundant number, since it is smaller than the sum of its proper divisors (6557930700).

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

3643294740 is a wasteful number, since it uses less digits than its factorization.

3643294740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60721591 (or 60721589 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 42.

The square root of 3643294740 is about 60359.7112319136. The cubic root of 3643294740 is about 1538.7383183934.

The spelling of 3643294740 in words is "three billion, six hundred forty-three million, two hundred ninety-four thousand, seven hundred forty".