3690245720 has 32 divisors (see below), whose sum is σ = 9489204000. Its totient is φ = 1265227008.

The previous prime is 3690245717. The next prime is 3690245723. The reversal of 3690245720 is 275420963.

It is an interprime number because it is at equal distance from previous prime (3690245717) and next prime (3690245723).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3690245723) 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 7 ways as a sum of consecutive naturals, for example, 6589445 + ... + 6590004.

It is an arithmetic number, because the mean of its divisors is an integer number (296537625).

Almost surely, 2^3690245720 is an apocalyptic number.

It is an amenable number.

3690245720 is an abundant number, since it is smaller than the sum of its proper divisors (5798958280).

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

3690245720 is a wasteful number, since it uses less digits than its factorization.

3690245720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13179467 (or 13179463 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 38.

The square root of 3690245720 is about 60747.3927012510. The cubic root of 3690245720 is about 1545.3200106564.

The spelling of 3690245720 in words is "three billion, six hundred ninety million, two hundred forty-five thousand, seven hundred twenty".