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72941201 = 432103383
BaseRepresentation
bin1000101100011…
…11111010010001
312002020210111222
410112033322101
5122133104301
611123214425
71543663364
oct426177221
9162223458
1072941201
113819a893
1220517415
131215b498
14998a0db
15660c31b
hex458fe91

72941201 has 12 divisors (see below), whose sum is σ = 75598848. Its totient is φ = 70368984.

The previous prime is 72941191. The next prime is 72941221. The reversal of 72941201 is 10214927.

It is not a de Polignac number, because 72941201 - 210 = 72940177 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (72941221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 190256 + ... + 190638.

It is an arithmetic number, because the mean of its divisors is an integer number (6299904).

Almost surely, 272941201 is an apocalyptic number.

It is an amenable number.

72941201 is a deficient number, since it is larger than the sum of its proper divisors (2657647).

72941201 is a wasteful number, since it uses less digits than its factorization.

72941201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572 (or 529 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 72941201 is about 8540.5621009393. The cubic root of 72941201 is about 417.8216790109.

The spelling of 72941201 in words is "seventy-two million, nine hundred forty-one thousand, two hundred one".

Divisors: 1 43 103 383 1849 4429 16469 39449 190447 708167 1696307 72941201