3642700725 has 36 divisors (see below), whose sum is σ = 6734961792. Its totient is φ = 1880100000.

The previous prime is 3642700723. The next prime is 3642700819. The reversal of 3642700725 is 5270072463.

It is a happy number.

3642700725 is a `hidden beast` number, since 3 + 642 + 7 + 0 + 0 + 7 + 2 + 5 = 666.

It is not a de Polignac number, because 3642700725 - 2¹ = 3642700723 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3642700725.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3642700723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 254151 + ... + 268100.

It is an arithmetic number, because the mean of its divisors is an integer number (187082272).

Almost surely, 2^3642700725 is an apocalyptic number.

It is an amenable number.

3642700725 is a deficient number, since it is larger than the sum of its proper divisors (3092261067).

3642700725 is a wasteful number, since it uses less digits than its factorization.

3642700725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 522298 (or 522290 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 36.

The square root of 3642700725 is about 60354.7904063961. The cubic root of 3642700725 is about 1538.6546868284.

The spelling of 3642700725 in words is "three billion, six hundred forty-two million, seven hundred thousand, seven hundred twenty-five".