3690724815 has 24 divisors (see below), whose sum is σ = 6492743088. Its totient is φ = 1939006080.

The previous prime is 3690724811. The next prime is 3690724841. The reversal of 3690724815 is 5184270963.

3690724815 is digitally balanced in base 10, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3690724815 - 2² = 3690724811 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

3690724815 is strictly pandigital in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3690724811) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 609046 + ... + 615075.

It is an arithmetic number, because the mean of its divisors is an integer number (270530962).

It is a 1-persistent number, because it is pandigital, but 2⋅3690724815 = 7381449630 is not.

Almost surely, 2^3690724815 is an apocalyptic number.

3690724815 is a deficient number, since it is larger than the sum of its proper divisors (2802018273).

3690724815 is a wasteful number, since it uses less digits than its factorization.

3690724815 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1224199 (or 1224196 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The square root of 3690724815 is about 60751.3359112374. The cubic root of 3690724815 is about 1545.3868827213.

The spelling of 3690724815 in words is "three billion, six hundred ninety million, seven hundred twenty-four thousand, eight hundred fifteen".