3787047645 has 16 divisors (see below), whose sum is σ = 6142281792. Its totient is φ = 1992090240.

The previous prime is 3787047631. The next prime is 3787047647. The reversal of 3787047645 is 5467407873.

It is a happy number.

It is not a de Polignac number, because 3787047645 - 2⁵ = 3787047613 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3787047647) 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, 1728151 + ... + 1730340.

It is an arithmetic number, because the mean of its divisors is an integer number (383892612).

Almost surely, 2^3787047645 is an apocalyptic number.

It is an amenable number.

3787047645 is a deficient number, since it is larger than the sum of its proper divisors (2355234147).

3787047645 is a wasteful number, since it uses less digits than its factorization.

3787047645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3458572.

The product of its (nonzero) digits is 3951360, while the sum is 51.

The square root of 3787047645 is about 61538.9928825619. The cubic root of 3787047645 is about 1558.7157473663.

The spelling of 3787047645 in words is "three billion, seven hundred eighty-seven million, forty-seven thousand, six hundred forty-five".