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3730725 = 33525527
BaseRepresentation
bin1110001110110100100101
321000112121000
432032310211
51423340400
6211543513
743465515
oct16166445
97015530
103730725
112118a49
1212bab99
13a0813b
146d1845
154da600
hex38ed25

3730725 has 24 divisors (see below), whose sum is σ = 6854720. Its totient is φ = 1989360.

The previous prime is 3730721. The next prime is 3730729. The reversal of 3730725 is 5270373.

It is an interprime number because it is at equal distance from previous prime (3730721) and next prime (3730729).

It is not a de Polignac number, because 3730725 - 22 = 3730721 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3730721) 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, 2089 + ... + 3438.

Almost surely, 23730725 is an apocalyptic number.

It is an amenable number.

3730725 is a deficient number, since it is larger than the sum of its proper divisors (3123995).

3730725 is a wasteful number, since it uses less digits than its factorization.

3730725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5546 (or 5535 counting only the distinct ones).

The product of its (nonzero) digits is 4410, while the sum is 27.

The square root of 3730725 is about 1931.5084778483. The cubic root of 3730725 is about 155.0949816738.

The spelling of 3730725 in words is "three million, seven hundred thirty thousand, seven hundred twenty-five".

Divisors: 1 3 5 9 15 25 27 45 75 135 225 675 5527 16581 27635 49743 82905 138175 149229 248715 414525 746145 1243575 3730725